Availability
The BluePrint Builder Series LS427/585HP Standard Edition EFI crate engine and 4L65/70E transmission combos take the guesswork out of matching up an engine and transmission for your ride. Featuring a fuel injected Chevy LS small block-compatible 427 (c.i.d.) engine that produces 585 hp, this standard edition builder series includes a pulley kit and 4L65/70E automatic transmission. The aluminum cylinder heads help produce a nice 11.0:1 compression ratio, with assistance from the hydraulic roller camshaft, forged pistons, and forged crankshaft. Altogether, this assembly produces 520 lbs.-ft. of torque. When you need or want a new LS powertrain for your ride, go with the authority in crate engines and their BluePrint Builder Series LS427/585HP Standard Edition EFI crate engine and 4L65/70E transmission combos. Other product features, items, and specifications include: Block: * BluePrint Engines High-Strength Cast Iron (LSX Style) Block * Increased deck thickness and strength webbing * Utilizes OEM LS3 front and rear covers * Improved water jacket design * Extended cylinder skirt * One-piece rear main seal * Priority main oiling * 4.0695 in. Bore * 6-bolt main Rotating Assembly: * Forged crankshaft * 4.125 in. stroke * Forged 6.125 in. connecting rods * Forged pistons * Internally balanced front and rear Cylinder Heads: * BluePrint aluminum cylinder heads * 69cc Chamber * 2.165 in. Intake /1.590 in. Exhaust valves * 259cc Intake /102cc Exhaust runners Cam Specs: * Hydraulic Roller * 0.624 Intake / 0.624 Exhaust lift * 239 Intake / 255 Exhaust duration * @.050-114 degree lobe separation Ignition Timing: * ECM supplied with calibration * Not capable of transmission control * Transmission Controller Required Other Components: * Front accessory drive with water pump, alternator, power steering pump, and A/C compressor * Drive-by-Wire throttle body * LS3 cast aluminum intake manifold * LS swap oil pan * Water pump * Engine harness and ECU Kit * Injectors and fuel rail kit * Spark plugs and wiring * Harmonic balancer * Timing cover * Valve covers * Coil packs * Gas pedal Important Notes: This engine requires a non-weighted flex plate/flywheel. Recommended Fuel: 91 Octane. The front accessory drive on this engine fits many vehicles, however it is the customer responsibility to accurately measure and confirm fitment. Note this is a low-profile design, but things such as power steering hoses, alternator wiring, and additional fittings/fabrication may be required on some vehicles. BluePrint Engines recommends a 2200+ RPM stall converter. Retro fit oil pan will fit most 1955-1995 GM front engine, RWD, V8 cars. Not for use in pollution-controlled vehicles or in dry sump applications. The LS controller package is for engine control only. Does not contain any transmission or body control. The ECU comes with calibration that is optimal for our engine, however, please note that vehicle parameters such as gearing, tire size, vehicle weight, air intake, headers, etc. may necessitate additional tuning once installed into your specific vehicle. The ECU is unlocked for further refinement at your local dyno shop if required. BluePrint Engines recommends their air intake kit (BPPLS01013) to ensure correct MAF calculations and Dyno calibration are maintained with the provided ECU/tuning.
Not Yet Reviewed
$25,499.00
ATK High Performance Chevy LQ4 6.0L 460 hp long block crate engines lay down impressive power that can be run with factory fuel injection or retrofitted with a carburetor. They're hand-built, balanced, and blueprinted using top-quality parts. Don't waste time trying to salvage a high-mileage short block when you can get a fresh mill that's ready for your choice of components to make it your own. ATK Chevy LQ4 6.0L 460 hp long block crate engines include: * Handpicked and seasoned 6-bolt main block * Aligned and honed main bores * OE steel crankshaft * 3.622 in. stroke * OE connecting rods * Hypereutectic dish top pistons * Aluminum cylinder heads * Hydraulic roller camshaft * Timing chain and gear set * 1.7:1 ratio rocker arms * 24-tooth reluctor
( 10 )
$5,049.99
VEGE remanufactured long block crate engines are an excellent foundation for budget-minded builds. These premium-quality refurbished engines are drop-in replacements for a wide range of stock vehicles—and can be retrofitted into additional applications. Each engine is reverse-engineered to ensure that any original defects are removed. Certified technicians recondition the long blocks to factory specifications, replacing wearable parts or machining them back to OE standards. The engines are thoroughly tested and calibrated to deliver maximum performance and long-term durability. Order the VEGE remanufactured crate engine recommended for your vehicle.
( 72 )
$2,182.99
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$8,033.99
ATK High Performance Chrysler 5.7 Gen III Hemi 400 hp long block crate engines were built in a team effort with Comp Cams. Utilizing ATK remanufactured GEN III 5.7L Hemi engines; they upgraded the camshaft, springs, and pushrods to produce reliable 400+ hp. Features typically include: * Seasoned OE Gen III Hemi block * OE reground crankshaft * OE reconditioned connecting rods * Hypereutectic pistons * Chromoly piston rings * Hydraulic roller camshaft * Aluminum cylinder heads * OE shaft mount rocker arms
( 5 )
$3,999.50
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$4,798.99
ATK High Performance Chevy LM7 5.3L short blocks are assembled with OE flat top pistons and offer these engine specifications: * Seasoned 5.3L LM7 block * 1999-2007 year range * Bore/stroke: 3.810 in. x 3.622 in. * Displacement: 330 cu.in * OEM GM 24-tooth reluctor wheel crankshaft * OEM GM forged powder metal rods * Stock hypereutectic flat top pistons with two valve reliefs * Compression ratios: 61cc = 9.8:1/64cc = 9.5:1/68cc = 9.1:1 -- Can vary due to deck height/gasket thickness * Plasma moly rings * Camshaft bearings: Installed and clocked to OEM position * Freeze plugs: Installed and sealed * Oil galley plugs: Installed and sealed
Not Yet Reviewed
$2,043.99
With ATK High Performance Chevy LM7 5.3L 385 hp long block crate engines expect big mid to upper end power and a noticeable idle. They were designed to be performance upgrades for a 1999-2007 Chevy truck LM7 or an LS swap in a hot rod. Technical specifications include: * Horsepower: 385+ * Torque: 390+ * Block: GM 5.3L iron LM7 * Bore/stroke: Up to 3.809 x 3.622 * Year range: 1999-2007 * Displacement: 323 c.i.d. * Crankshaft: OEM GM 3.622 in. stroke internally balanced 24 tooth reluctor wheel .857 in. flange * Connecting rods: OE GM forged powder metal 6.093 in. stock bolts * Pistons: Hypereutectic dish * Piston rings: Moly rings * Compression ratio: 9.5:1 compression * Camshaft: Hydraulic roller * Camshaft specifications: Custom grind * Camshaft bearings: Installed and clocked to OEM position * Cylinder heads: OE aluminum 61.15cc 1.89/1.55 * Freeze plugs: Brass installed and sealed * Rocker arms: OE powdered metal 1.7 ratio * Oil Galley plugs: Installed and sealed * Weight: 385
( 15 )
$4,189.99
ATK specializes in muscle. With the highest quality internal parts and dyno-proven combinations of every engine built, ATK is able to add the most bang for your buck and back it up with an industry leading warranty. This ATK High Performance GM LQ4 6.0L 535 hp base long block crate engine is fitted with LS3 heads. Engine specifications: * Horsepower: 535 * Torque: 485 * Block: OE LQ4/LQ9 6.0L iron * Bore/stroke: up to 4.030 in. x 3.622 in. * Displacement (cu.in): up to 371c.i.d. * Crankshaft: OE GM 24 tooth reluctor wheel * Rods: OE powder metal * Pistons: Hypereutectic 10.1 compression * Rings: Moly * Camshaft: Hydraulic roller * Cam specs: Custom performance grind * Timing chain: OE single roller * Cylinder heads: -- ATK LS3 rectangular port aluminum -- 69cc/255cc -- 2.160 in. intake/1.600 in. exhaust * Rocker arms: OE 1.7 ratio with trunnion upgrade * Oil pump: Melling M295
Not Yet Reviewed
$5,199.99
The BluePrint Builder Series LS427/800 hp Supercharged crate engine and 4L80E-HD trans combo is a complete, ready-to-install LS-based powertrain package. It features a powerful 427 cu. in. engine making 800 hp and 780 lbs.-ft. of torque—paired with a heavy-duty 4L80E automatic transmission, Holley EFI, and essential accessories, designed for muscle cars and hot rods needing serious modern performance in a plug-and-play format. This kit combines a forged rotating assembly, high-flow heads, and a Magnuson supercharger for extreme power, simplifying swaps with pre-matched components. Key features and components: * Engine: GM LS compatible 427 cu. in. (7.0L) small block with an LSX-style block * Power output: Appx. 800 hp and 780 lbs.-ft. torque * Supercharger: Magnuson 2650 supercharger for maximum boost * Internal components: Forged crankshaft, forged pistons, aluminum cylinder heads, hydraulic roller cam * Fueling: Holley Terminator X EFI system for precise control * Transmission: Heavy-duty 4L80E automatic * Accessories: Includes water pump, alternator, power steering, A/C, and belts (often with choice of black or polished pulleys) * Package deal: Combines engine, transmission, and accessories for easier installation * Each package is dyno-tested * Benefits of this combo: -- Convenience: Saves time and money by bundling major drivetrain components that are already matched and assembled -- High performance: Delivers massive power for street performance, track days, or custom builds -- Modern tech: EFI control, LS platform compatibility, and modern components -- Reliability: Built with strong internals and paired with a robust transmission and accessories -- It's a complete, powerful, and simplified modern LS powertrain solution for serious performance enthusiasts
Not Yet Reviewed
$34,649.00
BluePrint Builder Series LS427/625HP Standard Edition EFI crate engine and 4L65/70E transmission combos take the guesswork out of matching up an engine and transmission for your ride. Featuring a fuel injected Chevy LS small block-compatible 427 (c.i.d.) engine that produces 625 horsepower, this standard edition builder series includes a polished pulley kit and 4L65/70E automatic transmission. The aluminum BluePrint Engines cylinder heads help produce a nice 11.0:1 compression ratio, with assistance from the hydraulic roller camshaft, forged pistons, and forged crankshaft. Altogether, this assembly produces 565 lbs.-ft. of torque. When you need or want a new LS powertrain for your ride, go with the authority in crate engines and their BluePrint Builder Series LS427/625HP Standard Edition EFI crate engine and 4L65/70E transmission combos. Other product features, items, and specifications include: Block: * OEM style (4.060 in. bored to 4.069 in.) * Main caps are 6-bolt * One-piece rear main seal Rotating Assembly: * New forged crankshaft * Stroke – 4.125 in. * Forged connecting rods (6.125 in.) * Forged pistons * Internally balanced * Non-weighted harmonic balancer Cylinder Heads: * BluePrint PS8015 models * Chamber – 72cc * Valves are 2.165 in. intake and 1.600 in. exhaust * Exhaust runners are 259cc intake and 102cc exhaust Camshaft: * Hydraulic roller * Intake valve lift – 0.624 in. * Exhaust valve lift – 0.624 in. * Intake duration at 0.050 in. of lift – 239 * Exhaust duration at 0.050 in. of lift - 255 * Lobe separation angle (LSA) – 114 degrees Ignition Timing * ECM supplied with calibration (initial and total timing are controlled by PCM) * Firing order is 1-8-7-2-6-5-4-3 Assembled 4-speed Transmission Package: * Complete 4L65/70E package with electronic transmission controller * Torque converter with 2,200–2,400 rpm stall * Non-weighted flexplate * Starter Other Components: * All required (to make engine run) sensors and wiring harness (LS controller package only controls engine) * Unlocked ECU for local Dyno shop tuning refinement * LT4 87mm DBW (Drive-By-Wire) throttle body * Valve covers, retro-fit oil pan (fits most 1955-95 GM front engine, RWD, V8 cars), and timing cover * LS3 car intake manifold * Fuel injectors (42 lbs.) and return-less fuel rail * Coil packs * Spark plug wires * Gas/throttle pedal * Complete front accessory drive includes A/C, power steering, alternator, belts, and pulleys * ACDelco 41-985 spark plugs (0.040 in. gap) Note: BluePrint highly recommends their BPPLS01013 air intake kit to ensure proper MAF calculations (same used on Dyno). Recommended fuel is 91-93 octane. Recommended oil is BPP710. Not designed for use with dry sump or pollution-controlled vehicles.
Not Yet Reviewed
$23,299.00
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$26,499.00
The BluePrint Builder Series LS427/605 hp Standard Edition EFI crate engine and 4L65/70E trans combo is a complete, ready-to-install engine and automatic transmission package for classic cars and hot rods. It features a powerful 427 cu. in. GM LS-style engine making around 605 hp with EFI—paired with a robust 4L65/70E automatic transmission, electronic controller, torque converter, and accessories for a simplified drivetrain swap. This kit takes the guesswork out of matching components, offering a high performance, dyno-tested solution with forged internals, aluminum heads, and modern fuel injection. * Engine details (LS427/605 hp): -- Displacement: 427 cu. in. (7.0L) -- Horsepower/Torque: Around 605 hp / 565 lbs.-ft. -- Block: BluePrint's high-strength cast iron LS-style block with enhanced strength -- Rotating assembly: Forged crankshaft, forged connecting rods, forged pistons for durability -- Cylinder heads: BluePrint aluminum heads with large intake/exhaust runners -- Camshaft: Hydraulic roller cam -- Fuel system: Complete electronic fuel injection (EFI) system, often with Holley's Terminator X -- Compression ratio: 11:1 * Transmission details (4L65/70E): -- Type: Heavy-duty automatic transmission (4L65E or 4L70E) -- Controller: Includes an electronic transmission controller for proper shifting -- Torque converter: Comes with a matching torque converter (around 2,200-2,400 rpm stall) -- Flexplate: Non-weighted flexplate installed * Package benefits: -- Complete drivetrain: Comes fully assembled and bolted together -- Simplified installation: Designed as a plug-and-play solution for swaps -- Dyno tested: Engine performance is verified on a dyno, with results provided -- Includes accessories: Often includes front accessories (alternator, power steering pump) and a swap-ready oil pan
Not Yet Reviewed
$24,049.00
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$26,349.00
The BluePrint Builder Series LS427/585HP Standard Edition EFI crate engine and T56 transmission combos take the guesswork out of matching up an engine and transmission for your ride. Featuring a fuel injected Chevy LS small block-compatible 427 (c.i.d.) engine that produces 585 hp, this standard edition builder series includes a polished (or black) pulley kit and T56 manual transmission. The BluePrint aluminum cylinder heads help produce a nice 11.0:1 compression ratio, with assistance from the hydraulic roller camshaft, forged pistons, and forged steel crankshaft. Altogether, this assembly produces 520 lbs.-ft. of torque. When you need or want a new LS powertrain for your ride, go with the authority in crate engines and their BluePrint Builder Series LS427/585HP Standard Edition EFI crate engine and T56 trans combos. Other product features, items, and specifications include: Block: * BluePrint Engines High-Strength Cast Iron (LSX Style) Block * Increased deck thickness and strength webbing * Utilizes OEM LS3 front and rear covers * Improved water jacket design * Extended cylinder skirt * One-piece rear main seal * Priority main oiling * 4.0695 in. Bore * 6-bolt main Rotating Assembly: * Forged steel crankshaft * 4.125 in. stroke * Forged 6.125 in. connecting rods * Forged pistons * Internally balanced front and rear Cylinder Heads: * BluePrint aluminum cylinder heads * 69cc Chamber * 2.165 in. Intake /1.590 in. Exhaust valves * 259cc Intake /102cc Exhaust runners Cam Specs: * Hydraulic Roller * 0.624 Intake / 0.624 Exhaust lift * 239 Intake / 255 Exhaust duration * @.050-114 degree lobe separation Ignition Timing: * ECM supplied with calibration * Not capable of transmission control * Transmission Controller Required Other Components: * Front accessory drive with water pump, alternator, power steering pump, and A/C compressor * Drive-by-Wire throttle body * LS3 cast aluminum intake manifold * LS swap oil pan * Water pump * Engine harness and ECU Kit * Injectors and fuel rail kit * Spark plugs and wiring * Harmonic balancer * Timing cover * Valve covers * Coil packs * Gas pedal Important Notes: This engine requires a non-weighted flex plate/flywheel. Recommended Fuel: 91 Octane. The front accessory drive on this engine fits many vehicles, however it is the customer responsibility to accurately measure and confirm fitment. Note this is a low-profile design, but things such as power steering hoses, alternator wiring, and additional fittings/fabrication may be required on some vehicles. BluePrint Engines recommends a 2200+ RPM stall converter. Retro fit oil pan will fit most 1955-1995 GM front engine, RWD, V8 cars. Not for use in pollution-controlled vehicles or in dry sump applications. The LS controller package is for engine control only. Does not contain any transmission or body control. The ECU comes with calibration that is optimal for our engine, however, please note that vehicle parameters such as gearing, tire size, vehicle weight, air intake, headers, etc. may necessitate additional tuning once installed into your specific vehicle. The ECU is unlocked for further refinement at your local dyno shop if required. BluePrint Engines recommends their air intake kit (BPPLS01013) to ensure correct MAF calculations and Dyno calibration are maintained with the provided ECU/tuning.
Not Yet Reviewed
$25,599.00
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$25,699.00
BluePrint Pro Series Chevy LS 427 ci.d. EFI supercharged deluxe long block crate engines deliver 800 hp and 780 lbs.-ft. of torque. They also include LS3 aluminum cylinder heads, forged pistons, hydraulic roller camshaft, forged crankshaft, a Holley Terminator X Max Gen IV complete ECU and harness for engine management, and a polished or black finish accessory drive system. Additional features and specs: -- Block: * BluePrint Engines high-strength cast iron block * Increased deck thickness and strength webbing * Extended cylinder skirt * Priority main oiling * 4.070 in. bore * 6-bolt main * One-piece rear main seal * Improved water jacket design * Utilizes OEM LS3 front and rear covers * Compression ratio: 11:1 -- Rotating Assembly: * New forged crankshaft * 4.125 in. stroke * Forged 6.125 in. connecting rods * Forged pistons * Internally balanced -- Cylinder Heads: * BluePrint aluminum cylinder heads * 70cc chamber * 2.165 in. intake / 1.600 in. exhaust valves * 259cc intake / 102cc exhaust runners -- Cam Specs: * Hydraulic roller * .624 intake / .624 exhaust lift * 239 intake / 255 exhaust duration * At .050-114 degree lobe separation -- Ignition Timing: * ECM supplied with calibration -- Also Includes: * Holley Terminator X Max - Gen IV complete ECU/Harness EFI system * Magnuson TVS2650 supercharger * Coil packs * Valve covers * Oil pan * All sensors required for engine to run * Drive-by-wire throttle body * Timing cover * Spark plugs and wires * Harmonic balancer * Front accessory drive with power steering pump, water pump, alternator, and air compressor -- Notes: * Not for use in pollution-controlled vehicles. * BluePrint Engines recommends air intake kit BPPLS01013 to ensure correct MAF calculations and Dyno calibration are maintained with the provided ECU / tuning.
Not Yet Reviewed
$25,249.00
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$25,349.00
Blueprint Pro Series is for those wanting maximum horsepower and durability. BluePrint Engines Pro Series Chevy 502 c.i.d. 627 hp dressed long block crate engines offer any custom builder, hot rodder, or kit car builder an engine that has been fully dyno tested, passed vigorous inspections, and is ready to power up your project. Blueprint's Pro Series 502 big block GM-style engines are dressed with carburetor, aluminum heads, forged pistons, forged crankshaft, and a hydraulic roller cam. Additional features: * Standard deck with 4-bolt main * Forged H-beam connecting rods * Cylinder head specs: -- 119cc chamber -- 2.30 in. intake / 1.88 in. exhaust valves -- 316cc intake / 124cc exhaust runners * Camshaft specs: -- .647 intake / .647 exhaust -- 248 intake / 254 exhaust duration -- at .050 - 112 degree lobe separation * Dyno test results shipped with engine
( 2 )
$13,949.00
Clearance
ATK Marine Engines offers premium-quality rebuilt long block engines specifically for boating applications. These engines are designed to deliver maximum performance and long-term durability for your boat. Order the model recommended for your marine application. ATK Marine rebuilt engines include: * Special marine pistons and rings * Special marine camshaft * Marine gaskets * New intake and exhaust valves * New main, rod, and cam bearings * New valve lifters, rocker nuts, and swivels * Heavy-duty double roller timing chains * Cam sprocket * Crank gear * Freeze plugs
( 45 )
$5,153.99
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$5,300.99
These ATK High Performance Chevy LS 408 short blocks are made to handle some serious power. The foundation of any high performance engine is a rock-solid short block, so ATK designed and developed these to be just that. They feature a fully forged, balanced, and blueprinted rotating assembly that is available in a variety of configurations to fit naturally aspirated, nitrous, and forced induction builds, as well as those with 24 and 58-tooth cranks. These ATK High Performance Chevy LS 408 short blocks include the following: * GM LS Iron blocks * Aligned and hone main bores * Manley 4340 forged crankshaft * 4.00 in. stroke * Manley 4340 H-beam connecting rods * Manley forged pistons
( 4 )
$4,828.99
BluePrint Builder Series LS427/625HP Standard Edition EFI crate engine and T56 transmission combos take the guesswork out of matching up an engine and transmission for your ride. Featuring a fuel injected Chevy LS small block-compatible 427 (c.i.d.) engine that produces 625 horsepower, this standard edition builder series includes a choice of black or polished pulley kits and a T56 manual transmission. The aluminum BluePrint Engines cylinder heads help produce a nice 11.0:1 compression ratio, with assistance from the hydraulic roller camshaft, forged pistons, and forged crankshaft. Altogether, this assembly produces 565 lbs.-ft. of torque. When you need or want a new LS powertrain for your ride, go with the authority in crate engines and their BluePrint Builder Series LS427/625HP Standard Edition EFI crate engine and T56 transmission combos. Other product features, items, and specifications include: Block: * OEM style (4.060 in. bored to 4.069 in.) * Main caps are 6-bolt * One-piece rear main seal Rotating Assembly: * New forged crankshaft * Stroke – 4.125 in. * Forged connecting rods (6.125 in.) * Forged pistons * Internally balanced * Non-weighted harmonic balancer Cylinder Heads: * BluePrint PS8015 models * Chamber – 72cc * Valves are 2.165 in. intake and 1.600 in. exhaust * Exhaust runners are 259cc intake and 102cc exhaust Camshaft: * Hydraulic roller * Intake valve lift – 0.624 in. * Exhaust valve lift – 0.624 in. * Intake duration at 0.050 in. of lift – 239 * Exhaust duration at 0.050 in. of lift - 255 * Lobe separation angle (LSA) – 114 degrees Ignition Timing * ECM supplied with calibration (initial and total timing are controlled by PCM) * Firing order is 1-8-7-2-6-5-4-3 Assembled 6-speed Transmission Package: * McLeod Super Street Pro twin-disc clutch * Steel bellhousing * Non-weighted billet flywheel * Starter * Gear ratios are 2.66:1 (first), 1.78:1 (second), 1.30:1 (third), 1.00:1 (fourth), 0.80:1 (fifth), and 0.63:1 (sixth) * Torque converter with 2,200–plus rpm stall Other Components: * All required (to make engine run) sensors and wiring harness (LS controller package only controls engine) * Unlocked ECU for local Dyno shop tuning refinement * LT4 87mm DBW (Drive-By-Wire) throttle body * Valve covers, retro-fit oil pan (fits most 1955-95 GM front engine, RWD, V8 cars), and timing cover * LS3 car intake manifold * Fuel injectors (42 lbs.) and return-less fuel rail * Coil packs * Spark plug wires * Gas/throttle pedal * Complete front accessory drive includes A/C, power steering, alternator, belts, and pulleys * ACDelco 41-985 spark plugs (0.040 in. gap) Note: BluePrint highly recommends their BPPLS01013 air intake kit to ensure proper MAF calculations (same used on Dyno). Recommended fuel is 91-93 octane. Recommended oil is BPP710. Not designed for use with dry sump or pollution-controlled vehicles.
Not Yet Reviewed
$23,399.00
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$26,709.00
ATK specializes in muscle. With the highest quality internal parts and dyno-proven combinations of every engine built, ATK is able to add the most bang for your buck and back it up with an industry leading warranty. This ATK High Performance GM LM7 5.3L 500 hp base long block crate engine is fitted with AFR heads. Engine specifications: * Horsepower: 500 * Torque: 440 * Block: OE LM7/5.3L iron * Bore/stroke: up to 3.903 in. x 3.622 in. * Displacement (cu.in): up to 347c.i.d. * Crankshaft: OE GM 24 tooth reluctor wheel * Rods: OE powder metal * Pistons: Hypereutectic 10.1 compression * Rings: Moly * Camshaft: Hydraulic roller * Cam specs: Custom performance grind * Timing chain: OE single roller * Cylinder heads: -- AFR CNC ported aluminum -- 59cc/200cc -- 2.000 in. intake/1.570 in. exhaust * Rocker arms: OE 1.7 ratio with trunnion upgrade * Oil pump: Melling M295
Not Yet Reviewed
$5,199.99
ATK specializes in muscle. With the highest quality internal parts and dyno-proven combinations of every engine built, ATK is able to add the most bang for your buck and back it up with an industry leading warranty. This ATK High Performance GM LM7 5.3L 500 hp long block crate engine is fitted with AFR heads and FiTech EFI. Engine specifications: * Horsepower: 500 * Torque: 440 * Block: OE LM7/5.3L iron * Bore/stroke: up to 3.903 in. x 3.622 in. * Displacement (cu.in): up to 347c.i.d. * Crankshaft: OE GM 24 tooth reluctor wheel * Rods: OE powder metal * Pistons: Hypereutectic 10.1 compression * Rings: Moly * Camshaft: Hydraulic roller * Cam specs: Custom performance grind * Timing chain: OE single roller * Cylinder heads: -- AFR CNC ported aluminum -- 59cc/200cc -- 2.000 in. intake/1.570 in. exhaust * Rocker arms: OE 1.7 ratio * Oil pump: Melling M295 * EFI System: -- FiTech Ultra port injection LS1 750 hp with transmission control -- Wiring harness and ECM/TCM included * Fuel injectors: FiTech 55 lb. * Spark plugs: Autolite #104 * Spark plug wires: 8mm * Balancer: Stock internally balanced
Not Yet Reviewed
$8,899.99
ATK Chevy LM7 5.7L/347 short blocks provide a solid foundation for your build. Produced for the 1999-2007 trucks, LM7 engines are very popular engines to swap into musclecars and other LS swap vehicles. ATK High Performance Chevy LM7 5.7L/347 short blocks are built for naturally aspirated engines up to 700 hp. Your ATK LM7 engine may include these components for optimal performance: * Block: GM LM7 5.3L * Bore/stroke: 3.903 x 3.622 * Displacement: 5.7/347 c.i.d. * Crankshaft: OE reground 3.622 in., internally balanced 24-tooth * Connecting rods: Scat Premium Pro 4340 forged I-beam with ARP 8740 bolts * Pistons: Wiseco 2618 forged aluminum with coated skirts * Piston rings: Wiseco GFX (alloy steel top ring) * Camshaft bearings: Installed and clocked to OEM position * Freeze plugs: Brass installed and sealed * Oil galley plugs: installed and sealed * Weight: 285 lbs.
( 2 )
$3,329.99
The BluePrint Builder Series LS427/800 hp Supercharged crate engine and T56 trans combo is a complete, high performance powertrain package. It features a powerful 427 cu. in. (7.0L) GM LS-style engine, a supercharger, and a rugged T56 manual transmission, designed as a plug-and-play solution for classic muscle cars and modern swaps. The kit delivers around 800 hp with forged internals, BluePrint heads, Holley EFI, and all necessary accessories for easy installation. Key components and features: * Engine: A 427 cu.in. (7.0L) GM LS-compatible engine built with a high-strength cast iron block, BluePrint aluminum heads, forged crankshaft, and forged pistons for durability * Supercharger: Equipped with a supercharger for massive power gains, pushing output to about 800 hp and 800 lbs.-ft. of torque * Transmission: A robust Tremec T56 6-speed manual transmission provides precise gear control, ideal for performance driving * Fuel system: Includes Holley Terminator X EFI system with a wideband oxygen sensor, ECU, harness, and drive-by-wire pedal for modern tuning and responsiveness * Accessories: Comes "dressed" with a front accessory drive, a swap-ready oil pan, starter, and alternator, making installation simpler * Builder Series advantage: These packages aim to reduce the complexity and cost of engine swaps by providing matched engine and transmission components that work together seamlessly * This combo is perfect for performance enthusiasts building street rods, hot rods, or classic muscle cars who want modern LS technology, big horsepower, and the engaging control of a manual transmission without the hassle of sourcing and matching components themselves
Not Yet Reviewed
$31,949.00
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$34,349.00
Chevrolet Performance 3.6L LY7 short block engines are direct replacements and genuine GM parts. A great foundation for your project build, the LY7s were introduced in 2004 with the Cadillac CTS and were members of the GM High Feature or HFV6 engine family of modern DOHC V6s. Affordable, reliable, and built to last; just what your vehicle deserves, when you purchase genuine Chevrolet Performance 3.6L LY7 short block engines.
Not Yet Reviewed
$2,639.99
Go from mild to wild with S&S Cycle T-Series long block engines. These long block engines fit in the stock chassis and require no frame modifications. They feature S&S easy start camshafts, 3-piece heat-treated 4140 flywheel assembly, high-flow oil pump, and cam cover. Engines are protected by a super tough powdercoated finish, and are available in black wrinkle, stone gray, and black edition color schemes. Make your Dyna or tourer a stump puller with S&S Cycle T-Series long block engines.
Not Yet Reviewed
$10,913.95
BluePrint Builder Series LS427/605HP Standard Edition EFI crate engine and TKX transmission combos take the guesswork out of matching up an engine and transmission for your ride. Featuring a fuel injected Chevy LS small block-compatible 427 (c.i.d.) engine that produces 605 horsepower, this standard edition builder series includes a TKX manual transmission and pulley kit (pulley kit is an optional add-on, depending on the specific engine package you purchase). The aluminum BluePrint Engines cylinder heads help produce a nice 11.1 compression ratio, with assistance from the hydraulic roller camshaft, forged pistons, and forged crankshaft. Altogether, this assembly produces 565 lbs.-ft. of torque. When you need or want a new LS powertrain for your ride, go with the authority in crate engines and their BluePrint Builder Series LS427/605HP Standard Edition EFI crate engine and TKX transmission combos. Other product features, items, and specifications: * BluePrint Engines High Strength Cast Iron (LSX Style) Block * Increased deck thickness and strength webbing * Utilizes OEM LS3 front and rear covers * Improved water jacket design * Extended cylinder skirt * One-piece rear main seal * Priority main oiling * 4.0665 in. bore * 6-bolt main Rotating Assembly: * Forged crankshaft * Stroke – 4.125 in. * Forged 6.125 in. connecting rods * Forged pistons * Internally balanced (front and rear) Cylinder Heads: * BluePrint cast aluminum PS8015 models * Chamber – 70cc * Valves are 2.165 in. intake and 1.600 in. exhaust * Exhaust runners are 259cc intake and 102cc exhaust Camshaft Specs: * Hydraulic roller * Intake valve lift – 0.624 in. * Exhaust valve lift – 0.624 in. * Intake duration at 0.050 in. of lift – 239 * Exhaust duration at 0.050 in. of lift – 255 * Lobe separation angle (LSA) – 114 degrees Ignition Timing: * ECM supplied calibration Assembled TKX Transmission Package: * McLeod Super Street Pro dual-disc clutch * Hydraulic throw-out bearing * Bell housing * Billet flywheel * Engine guard * Starter * Gear ratios are 2.87:1 (first), 1.89:1 (second), 1.28:1 (third), 1.00:1 (fourth), and 0.68:1 (fifth) Other Components: * MLL-BLS4273KBTKX and MLL-BLS4273KTKX engine/trans combo packages include: Front accessory drive with LT1 style 150-amp alternator, LT1 Style water pump, Type II power steering pump with baffled edges, and compact style A/C compressor * Holley Terminator X Max - Gen IV Complete ECU/Harness EFI System * LS Swap oil pan, windage tray, pickup screen * BluePrint Engines fuel injectors and rail * DBW throttle body * Throttle pedal, and sensors * GM plastic intake manifold * Spark plugs and wires * Harmonic balancer * Coil packs Important Notes: Retro fit oil pan will fit most 1955-1995 GM front engine, RWD, V8 cars. Not for use in pollution-controlled vehicles or in dry sump applications. BluePrint Engines recommends air intake kit BPPLS01013 to ensure correct MAF calculations and Dyno calibration are maintained with the provided ECU/tuning. Engine/Trans Package Ships assembled.
Not Yet Reviewed
$23,349.00
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$25,649.00
BluePrint Builder Series LS427/605HP Standard Edition EFI crate engine and T56 transmission combos take the guesswork out of matching up an engine and transmission for your ride. Featuring a fuel injected Chevy LS small block-compatible 427 (c.i.d.) engine that produces 605 horsepower, this standard edition builder series includes a T56 manual transmission and pulley kit (pulley kit is an optional add-on, depending on the specific engine package you purchase). The aluminum BluePrint Engines cylinder heads help produce a nice 11.1 compression ratio, with assistance from the hydraulic roller camshaft, forged pistons, and forged crankshaft. Altogether, this assembly produces 565 lbs.-ft. of torque. When you need or want a new LS powertrain for your ride, go with the authority in crate engines and their BluePrint Builder Series LS427/605HP Standard Edition EFI crate engine and T56 transmission combos. Other product features, items, and specifications: * BluePrint Engines High Strength Cast Iron (LSX Style) Block * Increased deck thickness and strength webbing * Utilizes OEM LS3 front and rear covers * Improved water jacket design * Extended cylinder skirt * One-piece rear main seal * 4.0665 in. bore * Priority main oiling * 6-bolt main Rotating Assembly: * Forged crankshaft * Stroke – 4.125 in. * Forged 6.125 in. connecting rods * Forged pistons * Internally balanced (front and rear) Cylinder Heads: * BluePrint cast aluminum PS8015 models * Chamber – 70cc * Valves are 2.165 in. intake and 1.600 in. exhaust * Exhaust runners are 259cc intake and 102cc exhaust Camshaft Specs: * Hydraulic roller * Intake valve lift – 0.624 in. * Exhaust valve lift – 0.624 in. * Intake duration at 0.050 in. of lift – 239 * Exhaust duration at 0.050 in. of lift – 255 * Lobe separation angle (LSA) – 114 degrees Ignition Timing: * ECM supplied calibration Assembled T56 6-speed Transmission Package: * McLeod Super Street Pro dual-disc clutch * Steel Bell housing * Billet flywheel * Engine guard * Starter * Gear ratios are 2.66:1 (first), 1.78:1 (second), 1.30:1 (third), 1.00:1 (fourth), 0.80:1 (fifth), and 0.63:1 (sixth) Other Components: * MLL-BLS4273KBT56 and MLL-BLS4273KT56 engine/trans combos include front accessory drive with LT1 style 150-amp alternator, LT1 Style water pump, Type II power steering pump with baffled edges, and compact style A/C compressor * Holley Terminator X Max - Gen IV Complete ECU/Harness EFI System * LS Swap oil pan, windage tray, pickup screen * BluePrint Engines fuel injectors and rail * Low-profile swap oil pan * DBW throttle body * Throttle pedal, and sensors * GM plastic intake manifold * Spark plugs and wires * Harmonic balancer * Coil packs Important Notes: Retro fit oil pan will fit most 1955-1995 GM front engine, RWD, V8 cars. Not for use in pollution-controlled vehicles or in dry sump applications. BluePrint Engines recommends air intake kit BPPLS01013 to ensure correct MAF calculations and Dyno calibration are maintained with the provided ECU / tuning. Engine/Trans Package ships assembled.
Not Yet Reviewed
$24,149.00
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$26,449.00
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