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Looking for big LS engine power at an affordable price? Summit Racing™ remanufactured 5.3L LS long block crate engines are rated at 450 HP and 420 lbs.-ft. torque! This engine will give you the performance and drivability you have been searching for at a price you can afford. It can be a performance upgrade for 99-07 Chevy trucks, or an engine swap into your project vehicle. You will save time and money by leaving the machine-work and assembly to us. Just bolt on your accessories and drop it in. These engines are machined and assembled for us by the guys at ATK, and backed with a 2-year unlimited mile warranty for peace of mind. Technical specifications: * Horsepower: 450+ * Torque: 420+ * Block: Seasoned OE LM7/5.3L iron * Bore/stroke: 3.800-3.820 in. x 3.622 in. * Year range: 1999-2007 * Displacement: 323 C.I.D. * Crankshaft: OEM GM 3.622 in. stroke internally balanced 24-tooth reluctor wheel * Connecting Rods: OE GM forged powder metal 6.093 in. * Pistons: Hypereutectic flat top * Piston rings: Moly * Compression ratio: 10:1 compression * Camshaft: Summit Racing Pro LS Roller * Camshaft specifications: Lift- 550/550, Duration @.050- 222/232 * Camshaft bearings: Installed and clocked to OEM position * Cylinder heads: #799 or #243 OE aluminum 64cc 2.00 in./1.55 in. valves * Freeze plugs: Brass installed and sealed * Rocker arms: OE powdered metal 1.7 ratio * Oil Galley plugs: Installed and sealed
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$3,849.99
The hot new small block V8 in the GM lineup is the hyper-aggressive LS3 6.2L 376 c.i.d. 495 hp engine assembly from Chevrolet Performance. It offers a high-revving 376 c.i.d. combination that represents generations of small block V8 development and engineering. Not only is the LS3 an amazing engine in its stock configuration, but with those high-flowing rectangular port cylinder heads, the LS3 is loaded with potential. To tap into this, the engineers at GM Performance Parts offer you the LS376/480—an LS3 with an upgraded camshaft that boosts power by a whopping 50 hp! The LS376/480 comes with the same great features as the LS3 crate engine. The bottom-end includes a 6-bolt aluminum block, nodular crank, high performance rods, and 10.7:1 pistons. The heads are high-flowing rectangular-port L92 units that have been upgraded with high-revving, hollow-stem valves. The same EFI intake manifold feeds the hungry engine, while 1.7:1 roller rockers work with the upgraded camshaft. The GM Performance Parts engineers picked the LS Hot Cam (P/N 88958733) to take the LS3 to the next level. This cam specs out with .525 in. intake and exhaust valve lift. Duration (at .050 in.) is 219 degrees intake and 228 degrees exhaust, which allows for a dramatic increase in power. The engine will idle and cruise just like an LS3, but the power increase is there whenever you need it. A 14 in. automatic flexplate is included. Specifications: * Engine type: LS Series Gen IV small block V8 * 495 hp at 6,200 rpm, 473 lbs.-ft. torque at 5,000 rpm * Displacement: 376 cubic inch (6.2L) * Bore x Stroke (in.): 4.06 x 3.62 (103.25 x 92mm) * Block: Cast-aluminum with 6-bolt, cross-bolted main caps * Crankshaft: Nodular iron * Connecting rods: Powdered metal * Pistons: Hypereutectic aluminum * Camshaft type: Hydraulic roller * Valve lift: .525 in. intake / .525 in. exhaust * Camshaft duration (at .050 in): 219 degrees intake / 228 degrees exhaust * Cylinder heads: Aluminum L92 style port; as cast with 68cc chambers * Valve size: 2.165 int / 1.59 exhaust * Compression ratio: 10.7:1 * Rocker arms: Investment-cast, roller trunnion * Rocker arm ratio: 1.7:1 * Recommended fuel: 92 octane * Maximum recommended RPM: 6600 * Reluctor wheel: 58X * Balanced: Internal
Not Yet Reviewed
$10,763.71
Chevrolet Performance LS3 6.2L 376 c.i.d. 430 hp long block crate engines use an impressive 10.7:1 compression ratio to put out 430 hp at 5,900 rpm and 425 lbs.-ft. of torque at 4,600 rpm. Based on the production LS3 engine, these engines use L92-style rectangular-port heads. They feature a cast aluminum engine block with a nodular iron crankshaft, powdered metal connecting rods, and hypereutectic pistons. The steel hydraulic roller camshaft has a .551 in. intake and .522 in. exhaust valve lift with 204 degrees intake and 211 degrees exhaust valve duration at .050 in. camshaft lift. Long block crate engines also include: * F-body style oil pan, pump and pickup * Harmonic balancer * Front timing cover * Oil Filter
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$7,094.42
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 6.2L 376 C.I.D. 495 hp engine assemblies feature an impressive 495 hp at 5,570 rpm with 475 lb.-ft. of torque. The assemblies use a production bottom end and the race-tested LS "Hot" cam. With significantly more duration than the stock camshaft, the valves remain open longer allowing these engines to pull in increased amounts of clean air through the large rectangular ports. Specifications include: * Compression ratio of 10.7:1 * Recommended fuel is 92 octane * Cast aluminum block with 6-bolt cross-bolted main caps * Nodular iron crankshaft * Powdered metal connecting rods * Hypereutectic aluminum pistons * Steel hydraulic roller tappet camshaft * Valve lift of 0.525 in. for intake and exhaust * Duration at 0.050 in. is 219 degrees intake and 228 degrees exhaust * Lobe separation angle is 112 degrees * Combustion chamber volume is 68cc * Valve diameter is 2.165 in. for the intake and 1.590 in. for exhaust * Cast roller trunnion rocker arms with a 1.7:1 ratio * Internally balanced * 58x Gen IV reluctor wheel * Maximum recommended rpm is 6,600 * Recommended torque converter stall is 2,400-2,800 Engine includes: * Fully assembled long block * Oil pump, pick-up and oil pan * Harmonic balancer * Front timing cover * Oil filter
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$7,423.35
Chevrolet Performance LS3 6.2L 376 c.i.d. 430 hp long block crate engines use an impressive 10.7:1 compression ratio to put out 430 hp at 5,900 rpm and 425 lbs.-ft. of torque at 4,600 rpm. They feature a cast aluminum engine block with a nodular iron crankshaft, powdered metal connecting rods, and hypereutectic pistons. The steel hydraulic roller camshaft has a .551 in. intake and .522 in. exhaust valve lift with 204 degrees intake and 211 degrees exhaust valve duration at .050 in. cam lift. Long block crate engines 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
$10,206.16
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
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$14,745.07
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.
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$6,610.77
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
Not Yet Reviewed
$9,849.00
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$14,349.00
On Sale
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
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$5,049.99
$4,849.99
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$7,898.99
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
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$12,249.00
On Sale
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.
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$3,740.99
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$5,184.99
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
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$17,049.00
On Sale
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
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$4,189.99
$3,989.99
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
$12,242.45
Chevrolet Performance has released its latest factory-engineered LS high-performance engine: the 376/525 LS3 long block. It blends the racing-derived ASA camshaft with the LS3 6.2L production engine to create the most powerful production-based crate engine in Chevrolet Performance's portfolio, delivering 525 hp at 6,200 rpm and 486 lbs.-ft. torque at 5,200 rpm. (For installation in older vehicles, the engine controller kit part number 19354332 is calibrated specifically for this new engine.) Using the LS3 production engine—the same used in Corvettes and Camaros—as the foundation for the LS 376/525 helped keep the retail price lower; while the ASA camshaft is a proven, power-building component that's been successful in the high-RPM world of Circle Track racing. The ASA camshaft is a hydraulic roller with .525-inch lift on both the intake and exhaust sides, along with 226 degrees duration on the intake side and 236 degrees on the exhaust side. Coupled with a tight, 110-degree lobe separation angle, it helps the engine deliver excellent throttle response and breath exceptionally well at high RPM. The cam also gives the LS 376/525 the most aggressive personality among Chevrolet Performance's growing lineup of production-based high-performance crate engines, which also includes the LS 376/480 and the carbureted LS 376/515. Front-end accessories must be obtained separately, along with the engine controller kit. Chevrolet Performance offers several accessory drive kits to suit a variety of applications; and some installations for older vehicles will require the oil pan changed. Engine specifications: * Power: 525 hp at 6,200 rpm, 486 lbs.-ft. of torque at 5,200 rpm * Displacement: 376 C.I.D., 6.2L * Bore x Stroke: 4.060 in. x 3.620 in. * Compression Ratio: 10.7:1 * Recommended Fuel: 92 Octane * Block: Cast Aluminum with 6-bolt cross bolted main caps * Crankshaft: Nodular Iron * Connecting Rods: Powdered Metal Steel * Pistons: Hypereutectic Aluminum * Camshaft: Steel Hydraulic Roller Tappet * Cam Lift: .525 in. Intake / .525 in. Exhaust * Cam Duration at .050 in.: 226 deg. Intake / 236 deg. Exhaust * Lobe Separation: 110 Degree * Cylinder Heads: Aluminum L92 style ports * Combustion Chamber: 68cc * Valves: 2.165 in. Intake/ 1.590 in. Exhaust * Rocker Arms: Cast Roller Trunnion, 1.7:1 Ratio * Balance: Internal * Reluctor: 58X * Maximum GM Recommended RPM: 6,600 * GM Recommended Torque Converter Stall 3000-3400 Engine Includes: -- Fully GM assembled long block -- Oil pump, pick-up and Camaro oil pan (12628771) -- Corvette harmonic balancer -- Front timing cover with cam sensor -- Oil filter -- Passenger side RH oil dipstick and tube (not included) (Note: Does not include oil dipstick tube, oil dipstick, or steam crossover tube.)
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$7,890.20
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
Chevrolet Performance 7.0L 427 c.i.d. LS7 long block crate engines feature a unique big-bore cylinder block that is anchored with a forged crankshaft, lightweight titanium connecting rods, and hypereutectic pistons with coated skirts. Bolted on top of that is a pair of CNC-ported cylinder heads with 2.200 in. titanium intake valves and 1.610 in. sodium-filled exhaust valves. The Chevrolet Performance 7.0L 427 c.i.d. LS7 long block crate engines also include: * Dry sump Corvette oil pan * Front timing cover * Harmonic balancer
Not Yet Reviewed
$19,816.99
BluePrint Pro Series Chevy LS 376 c.i.d. EFI supercharged deluxe long block crate engines deliver 700 hp and 640 lbs.-ft. of torque. They include LS3 aluminum cylinder heads, forged pistons, hydraulic roller camshaft, nodular iron crankshaft, a Holley Terminator X Max Gen IV complete ECU and harness for engine management, a polished or black finish accessory drive system, and more. Additional features and specs: -- Block: * BluePrint Engines high-strength cast iron 6.2L 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 * Compression ratio: 9.5:1 -- Rotating Assembly: * Forged crankshaft * 3.622 in. stroke * 6.125 in. connecting rods with 150,000 psi bolts * Forged pistons * Internally balanced front and rear -- Cylinder heads: * BluePrint aluminum cylinder heads * 70cc chamber * 2.165 in. intake / 1.600 in. exhaust valves * 259cc Intake / 102cc exhaust runners -- Cam specs: * Cam type: Hydraulic Roller Cam * .612 intake / .585 exhaust lift * 225 intake / 238 exhaust duration * @.050-113 degree lobe separation -- Also includes: * Holley Terminator X Max - Gen IV complete ECU/Harness EFI system * Coil packs * Valve covers * Oil pan * All sensors required for engine to run * Drive-by-wire throttle body * Throttle pedal * 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 above ECU / tuning.
Not Yet Reviewed
$22,499.00
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$22,599.00
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
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$16,049.00
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
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$11,149.00
ATK High Performance Chevy LQ4 6.7L 500 HP long block crate engines are designed to be used with a Turbo or Supercharger up to 15 psi. ATK engineered these engines to be affordable yet strong enough to handle a good amount of boost! Engine Specifications: * HP: 550 * TQ: 535 * Block: GM 6.0L iron LQ4 with ARP main studs * Bore/Stroke: 4.030 in. x 4.000 in. * Displacement (cu.in): 408 * Crankshaft: Manley 4.000 in. stroke internally balanced 24-tooth reluctor wheel * Rods: Manley 4340 Forged 6.125 in. H-beam with ARP 2000 bolts * Pistons: Forged * Compression ratio: 10.2:1 * Rings: Total Seal CS/AP with steel top ring * Camshaft: Hydraulic roller * Cam specs: 226/230 at 50 .600/.575 113LSA * Cylinder heads: ATK LS3 aluminum 68cc 2.165 in. / 1.590 in. valves * Rocker arms: OE powdered metal 1.7 ratio with trunnion upgrade * Oil pump: Melling 10296 high volume Recommended Components: • Oil: 10W30 • Oil filter: Wix • Fuel system – OE EFI system or aftermarket • Intake – Stock fuel injected or aftermarket • Balancer -- Stock internally balanced • Flex plate/Flywheel -- Stock internally balanced • Timing -- Set to factory specifications via PCM module (tune required) • Spark plug: NGK BR7 • Tuning: Chassis dyno tune required • Firing order -- Stock • Fuel – 91+ Octane • Recommended stall converter -- 2800+ based on application • Headers -- 1 7/8 in.+ depending on application
Not Yet Reviewed
$7,899.99
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
Chevrolet Performance LS3 6.2L E-Rod long block crate engines offer a stunning combination of horsepower and efficiency, making them perfect for the race track or just cruising around town in your street rod or muscle car. Features include: * 6.2L LS3 engine with 430 hp and 425 lb.-ft. of torque * Engine wiring harness * Engine control module * Catalytic converters * Exhaust manifolds * Oxygen sensors and sensor bosses * Fuel tank evaporative emissions canister * Air filter * MAF sensor * Accelerator pedal * Instruction manual
Not Yet Reviewed
$10,942.12
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