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CHEVROLET Chevy small block Gen III/IV (LS-based engines) Parts and Accessories

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Results 1 - 24 of 41

Chevrolet Performance LS3 6.2L 376 C.I.D 525 HP Engine Assemblies

Chevrolet Performance LS3 6.2L 376 c.i.d. engine assemblies use an impressive 10.7:1 compression ratio to put out 525 hp at 6,200 rpm and 486 lbs.-ft. of torque at 5,200 rpm. They feature a cast aluminum block with a nodular iron crankshaft, powdered metal connecting rods, and hypereutectic pistons. The steel hydraulic roller camshaft has a .525 in. intake and .525 in. exhaust valve lift, with a 226 degree intake and 236 degree exhaust valve duration at .050 in. cam lift. Assemblies also include: * Ignition coil packs * Spark plug wires * Spark plugs * Intake manifold * Fuel injectors * Throttle body * Exhaust manifolds * 14 in. flexplate * Front timing cover * Aluminum water pump * Harmonic balancer * Passenger side right hand dipstick and tube

Not Yet Reviewed

$11,808.31

Chevrolet Performance LSX 454 Long Block Crate Engines

Chevrolet Performance LSX 454 long block crate engines are built with an all-forged, super-tough rotating assembly and feature a pair of new deep-breathing LSX 6-bolt cylinder heads. They also come dressed with great looking, all-new orange powdercoated valve covers with an engraved LSX 454 logo. With a carburetor and high-flow Chevrolet Performance intake manifold (sold separately), these engines are good for about 627 hp and 586 lbs.-ft. of torque. Due to the number of application variations, the LSX 454 crate engines do not include an oil pan, and the valve covers do not include provisions for mounting the ignition coil brackets. Other specifications include: * 4.185 in. bore * 4.125 in. stroke * Cast iron LSX Series block with cross-bolted 6-bolt main caps * Forged steel crankshaft * Forged steel connecting rods * Forged aluminum 11.0:1 compression pistons * Hydraulic roller camshaft * 0.635 in. lift intake/0.635 in. lift exhaust, 236 intake/246 exhaust duration at .050 in. lift * Aluminum LSX-LS7 cylinder heads with 70cc chambers * 1.8:1 aluminum roller rocker arms * 58-tooth reluctor wheel

4.0 out of 5 stars ( 1 )

$16,249.06

Chevrolet Performance SuperMatic 6L80-E Transmissions

Chevrolet Performance developed the new SuperMatic 6L80-E 6-speed automatic transmissions with upgraded internal components, offering an exceptional torque rating of 650 lbs.-ft. That's a 45 percent increase over regular-production versions of this same transmission. A deep first gear enables strong launch performance, while the top gear supports balanced performance on the highway. They're for use with Chevrolet Performance LS and LSX crate engines in RWD applications. SuperMatic 6L80-E transmissions feature: * 3,000 to 3,400 stall converter * Electro/hydraulic controls with clutch-to-clutch shifting * Output torque rating of 650 lbs.-ft. * Gear ratios: 4.02 (1st), 2.36 (2nd), 1.53 (3rd), 1.15 (4th), 0.85 (5th), 0.67 (6th) * Lightweight diecast aluminum case contributes to dry weight of approximately 195 lbs. * Uses DEXRON VI premium fluid * Truck-style production oil pan * Production vent tube assembly * Approximately 23.5 in. long * Controller and harness, with calibrations for street and track * Harness also includes paddle-shift connection, transmission bulkhead connector that supports aftermarket gear indicator displays, electronically controlled shifters, and more * Chevrolet Performance-specific design includes provisions for an aftermarket transmission cooler, including -6 AN fittings

5.0 out of 5 stars ( 1 )

$5,182.25

BluePrint Engines Pro Series Chevy LS 376 C.I.D. 530 HP EFI Base Dressed Long Block Crate Engines

BluePrint Engines provides a Dyno Promise with results and bragging rights. They make sure they hit their target horsepower and proper torque with every crate engine, utilizing an advanced computerized balancer to get rotating assemblies within 2 grams, ensuring silky smooth power over the entire rpm range. According to BluePrint, that's precisely why their engines sound and run better than the competitors. Accompanying your BluePrint Engines Pro Series Chevy LS 376 c.i.d. 530 hp EFI base dressed long block crate engine will be a comprehensive, dyno-generated printout showing its critical specs. No more guessing what the real-world peak horsepower and torque ratings are. Any doubters in the crowd? Simply flash them your dyno results! These long block engines are available with or without complete engine controller with ECU, harness, throttle pedal, and sensors. Select the one you want. BluePrint Engines Pro Series Chevy LS EFI base dressed engine: * Horsepower and torque: 530hp/495 lb.-ft. * Compression ratio: 10.7:1 * BluePrint Engines LS3 aluminum cylinder heads -- 69cc chamber -- 2.165 in. intake/1.590 in. exhaust valves -- 259cc intake/102cc exhaust runners * Hydraulic roller camshaft: -- .612 intake/.585 exhaust lift -- 225 intake/238 exhaust duration at .050 in. -- 113-degree lobe separation angle -- 3-bolt cam * Nodular iron crankshaft -- 3.622 in. stroke -- 6.125 in. connecting rods with 150,000 psi bolts * Hypereutectic pistons * BluePrint Engines high-strength cast iron 6.2L block -- Increased deck thickness and strength webbing -- Extended cylinder skirt -- Priority main oiling -- 4.0662 in. bore -- 6-bolt main -- 1-piece rear main seal -- Improved water jacket design -- Utilizes OEM LS3 front and rear covers * LS swap oil pan * Harmonic balancer * DBW throttle body * Available with a GM plastic or fabricated intake manifold * Fuel injectors and rail * Coil packs * Spark plugs and wires * Water pump

5.0 out of 5 stars ( 1 )

$10,149.00

$13,749.00

Chevrolet Performance Crate Engines

Looking for more power for your ride? Want to drop your quarter mile times substantially? Does OEM reliability and parts interchangeability interest you? Well my friend, you've come to the right place. Why bother rebuilding your existing engine with old, used, and worn-out parts when you can step up to brand-new with these affordable crate engines from Chevrolet Performance. You read it right, these engines feature all-new components built and manufactured by the pros at GM.

3.0 out of 5 stars ( 2 )

$7,285.07

Magnuson Supercharger Kits

Magnuson supercharger kits make power you can live with! Magnuson's powertrain integration technology offers you the ability to have big horsepower and drivability in the same supercharger. This technology recalibrates the engine and transmission control programs to work with the altered induction path and boost pressure of the supercharger. And that produces a seamless and consistent delivery of power over the entire rpm range--not just the high end! For you, that means Magnuson superchargers will boost your power output, and yet run like their factory installed units. Whether you're driving a Corvette or a Cadillac, a Silverado or a Hummer, or a Camaro or a Mustang, Magnuson supercharger kits deliver maximum performance!

4.08 out of 5 stars ( 12 )

$7,395.00

$8,995.00

ATK High Performance Chevy LQ4 6.0L 460 HP Long Block Crate Engines

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

4.4 out of 5 stars ( 10 )

$5,049.99

$7,898.99

BluePrint Engines Pro Series Chevy LS 427 C.I.D. 625 HP EFI Fully Dressed Long Block Crate Engines

BluePrint Engines is your premium choice in aftermarket, high-performance, drop-in LS crate engines, and their Pro Series is for those wanting maximum horsepower and durability. BluePrint Engines Pro Series Chevy LS 427 c.i.d. 625 hp EFI fully 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 427 stroker GM LS3-style fuel injected engines are dressed with aluminum heads, forged pistons, forged crankshaft, a hydraulic roller cam, and a complete front accessory drive system with a polished or black finish. Additional features: * 6-bolt main block * Forged connecting rods * Cylinder head specs: -- 72cc chamber -- 2.165 in. intake/1.600 in. exhaust valves -- 259cc intake/102cc exhaust runners * Camshaft specs: -- .624 intake/.624 exhaust -- 239 intake/255 exhaust duration -- at .050—114-degree lobe separation * ECM supplied with calibration * 87mm LT5 DBW throttle body * Installed accessory drive with A/C, P/S, alternator, belts, and pulleys * LS3 intake manifold * 42# injectors and return-less fuel rail * Harmonic balancer * Valve covers, retro-fit oil pan, and timing cover * Coil packs * All sensors required for engine to run * Spark plug wires and wiring harness * Gas pedal * Dyno test results shipped with engine

Not Yet Reviewed

$17,949.00

BluePrint Engines Chevy LS 376 C.I.D. 530 HP EFI Retrofit Dressed Long Block Crate Engines

BluePrint Engines Chevy LS 376 c.i.d. 530 hp EFI Retrofit dressed long blocks are for those wanting maximum horsepower and durability. Every BluePrint engine is dyno-tested for proven results and is backed by their exclusive 30-month/50,000-mile warranty. Specs and components for the Chevy LS 376 crate engines include: * New GM 6.2L block * Nodular iron rotating assembly * Forged connecting rods * Hypereutectic pistons * Aluminum cylinder heads -- 68cc chamber -- 2.165 in. intake/1.600 in. exhaust valves * Roller camshaft -- .612 intake/.585 exhaust lift -- 225 intake/238 exhaust duration at .050 -- 113 degree lobe separation * Compression ratio 10.7:1 * LS3 intake manifold * Fuel injection included * Coil packs * Oil pan * Valve covers * Timing cover * Water pump * Harmonic balancer * Spark plugs and wires

4.83 out of 5 stars ( 6 )

$11,149.00

BluePrint Builder Series LS376/530HP Standard Edition EFI Crate Engine and 4L65/70E Trans Combos

BluePrint Builder Series LS376/530HP 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 376 (c.i.d.) engine that produces 530 horsepower, this standard edition builder series includes a choice of black or polished pulley kits and 4L65/70E automatic transmission. The aluminum BluePrint Engines cylinder heads help produce a nice 10.7:1 compression ratio, with assistance from the hydraulic roller camshaft, hypereutectic pistons, and nodular iron crankshaft. Altogether, this assembly produces 495 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 LS376/530HP Standard Edition EFI crate engine and 4L65/70E transmission combos. Other product features, items, and specifications include: Block: * New Cast Iron 6.2L * Main caps are 6-bolt * One-piece rear main seal * Reluctor wheel – 58x * Cam sensor – 4x (in timing cover) * Knock sensor provision on side Rotating Assembly: * Nodular iron crankshaft * Stroke – 3.622 in. * Connecting rods (6.098 in.) with 150,000 psi bolts * Hypereutectic 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 – 0.612 in. * Exhaust valve lift – 0.585 in. * Intake duration at 0.050 in. of lift – 225 * Exhaust duration at 0.050 in. of lift - 238 * Lobe separation angle (LSA) – 113 degrees * Intake centerline – 110 degrees Ignition Timing * 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: * Holley Terminator X Max Gen IV complete EFI engine management system, and DBW (Drive-By-Wire) pedal kit * DBW throttle body * GM Muscle-car Swap oil pan * Loaded intake manifold * Fuel injectors (EV6 type) and rail * Coil packs * Spark plugs and wires * Water pump * Complete front accessory drive includes A/C, power steering, alternator, water pump, belts, and pulleys * Champion 3015 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 octane. Recommended oil is BPP710.

Not Yet Reviewed

$22,699.00

$22,799.00

Chevrolet Performance LSX Bowtie Engine Blocks

Chevrolet Performance LSX Bowtie engine blocks are designed for the advanced competition engine builder. They feature Siamese cylinder bores and a semi-finished deck height. The blocks can accept a maximum stroke of 4.250 in., a maximum bore of 4.250 in., and can support displacements of 454 cu. in. or more. LSX Bowties feature cast iron construction with an orange powdercoat finish. They accept all Gen III and IV LS-style cylinder heads, crankshafts, camshafts, and other components. Order the model with deck height and other options needed for your application. Additional features and specs include: * Front oil feed lines that can be plugged or restricted for mechanical flat tappet or mechanical lifter applications * Can be safely machined to 9.200 in. deck height * 1054 billet steel 6-bolt main bearing caps * 6-bolt cylinder head bolt pattern * Cam bores that can be machined to accept 60mm roller bearings * Can be machined for larger diameter lifters * External oil pump feed at the rear * Added 7th transmission bolt hole to work with early-style GM transmissions * Can accept a front motor plate for racing use * Threaded freeze plugs that can be used for external heaters or coolers * Windowed main bulkhead

5.0 out of 5 stars ( 1 )

$5,565.19

BluePrint Engines Pro Series Chevy LS 376 C.I.D. 495 HP EFI Truck Long Block Crate Engines

BluePrint Engines Pro Series Chevy LS 376 c.i.d. 495 hp EFI truck long block crate engines are fully Dyno tested, passed vigorous inspections, and are prepared for those wanting maximum horsepower and durability. Features, specs, and contents: * 495 hp, 490 ft.-lb., compression ratio 10.7:1 * Cast Iron block with 6-bolt main * Nodular iron crankshaft * Connecting rods with 150,000 psi bolts * Hypereutectic pistons * Internal balanced rotating assembly * BluePrint aluminum cylinder heads --72cc chamber --2.165 in. intake/1.60 in. exhaust valves --259cc intake/102cc exhaust runners * Hydraulic roller cam --.553 intake/.553 exhaust lift --218 intake/224 exhaust duration @ .050 --113 degree lobe separation * Truck intake manifold * Fuel injectors and rail * Truck water pump * Truck harmonic balancer * GM muscle car swap oil pan (Customer may have to reuse existing pan and pickup) * Coil packs * Spark plugs and wires

Not Yet Reviewed

$10,949.00

ATK High Performance Chevy LS 408 Short Blocks

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

5.0 out of 5 stars ( 3 )

$5,143.99

BluePrint Engines Pro Series Chevy LS 427 C.I.D. 605 HP Long Block Crate Engines

BluePrint Engines provides a Dyno Promise with results and bragging rights. They make sure they hit their target horsepower and proper torque with every crate engine, utilizing an advanced computerized balancer to get rotating assemblies within 2 grams, ensuring silky smooth power over the entire rpm range. According to BluePrint, that's precisely why their engines sound and run better than the competitors. Accompanying your BluePrint Engines Pro Series Chevy LS 427 c.i.d. 605 hp long block crate engine will be a comprehensive, dyno-generated printout showing its critical specs. No more guessing what the real-world peak horsepower and torque ratings are. Any doubters in the crowd? Simply flash them your dyno results! BluePrint Engines Pro Series Chevy LS crate engine: * Horsepower and torque: 605 hp/565 lb.-ft. * Compression ratio: 11:1 * BluePrint Engines LS3 aluminum cylinder heads -- 69cc chamber -- 2.165 in. intake/1.590 in. exhaust valves -- 259cc intake/102cc exhaust runners * Hydraulic roller camshaft: -- .624 intake/.624 exhaust lift -- 239 intake/255 exhaust duration at .050 in. -- 114-degree lobe separation angle -- 3-bolt cam * Forged steel crankshaft -- 4.125 in. stroke -- 6.125 in. connecting rods * Forged pistons * BluePrint Engines high-strength cast iron 6.2L block -- Increased deck thickness and strength webbing -- Extended cylinder skirt -- Priority main oiling -- 4.0685 in. bore -- 6-bolt main -- 1-piece rear main seal -- Improved water jacket design -- Utilizes OEM LS3 front and rear covers * LS swap oil pan * Harmonic balancer * Valve covers * Timing cover

5.0 out of 5 stars ( 1 )

$9,999.00

BluePrint Engines Pro Series Chevy LS 376 C.I.D. 530 HP Long Block Crate Engines

BluePrint Engines provides a Dyno Promise with results and bragging rights. They make sure they hit their target horsepower and proper torque with every crate engine, utilizing an advanced computerized balancer to get rotating assemblies within 2 grams, ensuring silky smooth power over the entire rpm range. According to BluePrint, that's precisely why their engines sound and run better than the competitors. Accompanying your BluePrint Engines Pro Series Chevy LS 376 c.i.d. 530 hp long block crate engine will be a comprehensive, dyno-generated printout showing its critical specs. No more guessing what the real-world peak horsepower and torque ratings are. Any doubters in the crowd? Simply flash them your dyno results! BluePrint Engines Pro Series Chevy LS 376 c.i.d. crate engine: * Horsepower and torque: 530hp/495 lb.-ft. * Compression ratio: 10.7:1 * BluePrint Engines LS3 aluminum cylinder heads -- 69cc chamber -- 2.165 in. intake/1.590 in. exhaust valves -- 259cc intake/102cc exhaust runners * Hydraulic roller camshaft: -- .612 intake/.585 exhaust lift -- 225 intake/238 exhaust duration at .050 in. -- 113-degree lobe separation angle -- 3-bolt cam * Nodular iron crankshaft -- 3.622 in. stroke -- Forged 6.125 in. rods * Hypereutectic pistons * BluePrint Engines high-strength cast iron 6.2L block -- Increased deck thickness and strength webbing -- Extended cylinder skirt -- Priority main oiling -- 4.0662 in. bore -- 6-bolt main -- 1-piece rear main seal -- Improved water jacket design -- Utilizes OEM LS3 front and rear covers * LS valve cover * LS swap oil pan * Harmonic balancer Note: Controlled by customer provided ECU.

Not Yet Reviewed

$7,999.00

Edelbrock E-Force Corvette C6 Stage 1 Street Legal Supercharger Kits

Edelbrock E-Force Corvette C6 stage 1 street-legal supercharger kits are exclusively tailored to boost your performance. The unique features on these kits are 12 in. long intake runners that allow for maximum low-end torque. Plus, these Edelbrock E-Force street legal supercharger kits fit under the stock hood with no modifications.

4.33 out of 5 stars ( 3 )

$9,477.95

$10,215.95

Chevrolet Performance LSX376 Crate Engines

You're track-ready with extreme performance GM LSX376 crate engines. At home on the street and on the strip, these value-driven Chevrolet Performance crate engines offer lower-compression forged aluminum pistons, a tough bottom end, and high-flow heads. LSX376 engines make a perfect foundation for supercharging, turbocharging, and nitrous--all you need to do is supply the boost! Does your muscle deserve the LSX touch? Yes! Get the strength and power to build a winner with these features: * Race-bred LSX Bowtie block * High-flow LS3 cylinder heads * Blower-friendly 9.0:1 forged pistons * 14 in. automatic transmission flexplate * Unique LSX376 valve covers

Not Yet Reviewed

$13,491.18

BluePrint Engines Pro Series Chevy LS 427 C.I.D. 625HP EFI Retrofit Dressed Long Block Crate Engines

BluePrint Engines Pro Series Chevy LS 427 c.i.d. EFI retrofit dressed long block crate engines put down a whopping 625 hp and 565 lbs.-ft. of torque! They feature a 30-month/50,000-mile warranty and are the perfect choice for drivable and reliable high-end performance. Additionally, These assemblies are manufactured under strict tolerances and provide outstanding, consistent results. BluePrint Pro Series long block crate engines are also dyno-tested and include the dyno sheets. Features include: * New GM LS engine block * 4340 forged 4.125 in. stroke crankshaft * 4340 forged 6.125 in. long connecting rods * Forged pistons * 11.0:1 compression * Hydraulic roller camshaft, .624 in. lift intake, .624 in. lift exhaust, 239/255 intake/exhaust duration @ 0.050 in. lift with 114 degree lobe separation * Aluminum GM LS cylinder heads * Premium single true roller timing set * GM LS intake manifold, fuel injectors, fuel rails, drive by wire throttle body, and matching throttle pedal * GM factory roller rockers with upgraded full roller trunion * Ignition coil packs * Spark plug wires * Spark plugs * Harmonic balancer * ECM with custom tune installed

5.0 out of 5 stars ( 1 )

$16,049.00

Edelbrock E-Force Universal Supercharger Systems for Engine Swaps

Edelbrock E-Force universal supercharger systems are designed for engine swaps into street rods and muscle cars. They feature 12 in. long runners for maximum low-end torque and great drivability. They're capable of an incredible 600+ flywheel horsepower and 550+ lbs.-ft. of torque. If you're looking for a supercharger system for your hot rod to provide instantly reliable horsepower with low boost for minimum stress on your engine, look no further than an Edelbrock E-Force universal supercharger system—exactly what you need for your engine swap project. Order the model recommended for your year/make and engine application. Edelbrock E-Force universal supercharger systems include the following components: * Supercharger manifold assembly * Cast aluminum tensioner/idler bracket * Cast aluminum engine valley tray * Heavy-duty automatic belt tensioner * Dual, high-capacity, bar and plate, intercoolers * High-flow 95mm mass airflow sensor housing * Extruded aluminum fuel rails with -6 AN lines * Custom-molded intercooler hoses with quick-connect fittings * Electric intercooler water pump * Intercooler recovery tank * Fuel injectors * Steel idler pulleys with heavy-duty, high-speed bearings * High-flow conical air filter * Edelbrock aluminum engine covers * Plug and play, electrical harness, installation hardware * 3.5 in. supercharger pulley

Not Yet Reviewed

$7,658.95

$8,723.95

Edelbrock E-Force Corvette C6 Stage 3 Pro-Tuner Supercharger Kits

Edelbrock E-Force Corvette C6 Stage 3 pro-tuner supercharger kits include all of the essential components that a racer or tuner would need to build a custom supercharged racing setup. They offer the flexibility of choosing the right pulley, cold air intake, etc. for any custom supercharged installation. At the heart of these E-Force supercharger kits is the Eaton Gen VI 2300 supercharger rotating assembly--a seamless design with minimal elements to eliminate problems and increase airflow. Start your custom-built racer on a winning foundation that's made in America with these Edelbrock E-Force Corvette C6 Stage 3 pro-tuner supercharger kits. These systems are for competition racing use only.

Not Yet Reviewed

$7,453.95

ATK Marine Rebuilt Long Block Engines

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

4.39 out of 5 stars ( 57 )

$5,542.99

ATK High Performance GM LQ4 6.0L with LS3 Heads 535 HP Base Long Block Crate Engines

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

BluePrint Engines Pro Series Chevy LS 427 C.I.D. 605 HP EFI Base Dressed Long Block Crate Engines

BluePrint Engines provides a Dyno Promise with results and bragging rights. They make sure they hit their target horsepower and proper torque with every crate engine, utilizing an advanced computerized balancer to get rotating assemblies within 2 grams, ensuring silky smooth power over the entire rpm range. According to BluePrint, that's precisely why their engines sound and run better than the competitors. Accompanying your BluePrint Engines Pro Series Chevy LS 427 c.i.d. 605 hp EFI base dressed long block crate engine will be a comprehensive, dyno-generated printout showing its critical specs. No more guessing what the real-world peak horsepower and torque ratings are. Any doubters in the crowd? Simply flash them your dyno results! These long block engines are available with or without LS engine controller package with wiring harness and gas pedal. Select the one you want. BluePrint Engines Pro Series Chevy LS EFI base dressed engine: * Horsepower and torque: 605 hp/565 lb.-ft. * Compression ratio: 11:1 * BluePrint Engines LS3 aluminum cylinder heads -- 69cc chamber -- 2.165 in. intake/1.590 in. exhaust valves -- 259cc intake/102cc exhaust runners * Hydraulic roller camshaft: -- .624 intake/.624 exhaust lift -- 239 intake/255 exhaust duration at .050 in. -- 114-degree lobe separation angle -- 3-bolt cam * Forged steel crankshaft -- 4.125 in. stroke -- 6.125 in. connecting rods * Forged pistons * BluePrint Engines high-strength cast iron 6.2L block -- Increased deck thickness and strength webbing -- Extended cylinder skirt -- Priority main oiling -- 4.0685 in. bore -- 6-bolt main -- 1-piece rear main seal -- Improved water jacket design -- Utilizes OEM LS3 front and rear covers * LS swap oil pan * Harmonic balancer * DBW throttle body * Available with a GM plastic or fabricated intake manifold * #42 fuel injectors and returnless fuel rail * Coil packs * Spark plugs and wires * Valve covers * Timing cover

Not Yet Reviewed

$12,849.00

$16,049.00

Edelbrock E-Force GM Truck and SUV Stage 1 Street Legal Supercharger Kits

Edelbrock E-Force GM truck and SUV Stage 1 Street Legal supercharger kits up the power in your late model GM truck or SUV. These GM Supercharger systems are specially designed for each application and will allow you to boost your towing performance to impressive levels. These systems feature long intake runners for maximum low end torque making them ideal for towing and off-road performance applications.

3.5 out of 5 stars ( 4 )

$7,931.95

$9,038.95

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