Crate Engines, Short Blocks, Engine & Transmission Combos

Summit Racing™ Chevy LS 5.3L 450HP Long Block Crate Engines

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

4.32 out of 5 stars ( 47 )

$3,849.99

ATK High Performance GM 350 Vortec 290 HP Stage 3 Long Block Crate Engines

ATK High Performance GM 350 Vortec 290 hp Stage 3 long block crate engines are perfect replacements for your worn out SBC. They are designed with matched components for reliable performance with extra "go power", and they require an electric fuel pump. ATK Stage 3 or complete dressed engines are engineered for those wanting to drop the engine into their project and fire it up. They have outfitted the engines as completely as possible to save you time and headaches. Typically ATK GM 350 Vortec 290 hp complete long blocks consist of: * OE block bored to 4.060 in. diameter with 2-bolt mains and a one-piece rear main seal * OE reground crankshaft with a 3.480 in. stroke * OE powder metal 5.7 in. length connecting rods * Hypereutectic 9.4:1 compression ratio pistons * Moly piston rings * Hydraulic roller camshaft (191/194 duration at 50, .414/.428 in. lift, 111 LSA) * Cast iron Vortec cylinder heads with 64cc combustion chambers, 165cc intake runners, and come with 1.94 in./1.5 in. valves. * Stamped steel 1.5 ratio rocker arms * Single roller timing set * 5 qt. oil pan ( will not fit Chevelle with steering behind crossmember, some Corvettes, and 1962-67 Chevy II) * Melling standard volume oil pump * Valve covers * Flexplate * ATK HP dual plane intake manifold * Distributor HEI * Cast iron long water pump * Front Powerbond balancer (internally balanced) * Pioneer externally balanced 168 tooth flexplate * Quick Fuel Brawler 670cfm carburetor * Autolite spark plugs (605) with 8mm wires

3.78 out of 5 stars ( 9 )

$3,625.99

ATK High Performance GM 350 345 HP Stage 1 Long Block Crate Engines

ATK High Performance GM 350 345 hp/400 lbs.-ft. Stage 1 long block crate engines are classics with great street manners, and vacuum to power all your accessories. These Stage 1 or base engines are designed for those that may have their own component parts already, and who also are interested in completing out the build themselves. Typically ATK GM 350 345 hp base long block engines consist of: * Seasoned OE short block with 4-bolt mains * OE cast crankshaft * OE 5.7 in. powder metal connecting rods * Hypereutectic pistons * Moly piston rings * Hydraulic roller camshaft * 220/224 at .050 in. * .495 in./502 in. lift 110 LSA * ATK cast iron cylinder heads * 76cc combustion chambers * 165cc intake runners * 1.94 in./1.5 in. valves * Stamped steel 1.5 ratio rocker arms * Valve covers * Timing set and cover * Oil pan, high volume oil pump with pick-up tube

3.77 out of 5 stars ( 13 )

$3,198.99

ATK High Performance GM 350 Vortec 350 HP Stage 2 Long Block Crate Engines

Give your car or truck a little more punch with one of these ATK High Performance GM 350 Vortec 350 hp Stage 2 long block crate engines. These engines are built from the ground up to replace your old, tired mill with a more modern, efficient engine. ATK hand-builds and balances each one these engines to ensure they are great-running, reliable engines that will get you back on the road. Engine specifications: * HP: 350 * TQ: 400 * Block: OE roller block 4-bolt main 1-pc seal 1996-2000 * Bore/Stroke: 4.040 in. x 3.480 in. * Displacement: 350CI * Crankshaft: OE reground external balance rear of crank/internal balance front of the crank * Rods: OE powder metal 5.7 in. * Pistons: Hypereutectic 9.5:1 compression * Rings: Moly * Camshaft: Hyd. Roller * Cam Specs: 220/224 @50 .495in/.502ex 110LSA * Timing Chain: Double roller * Cylinder Heads: Vortec cast iron 67cc 1.94/1.50 *Rocker Arms: Stamped steel 1.5 ratio * Oil Pan: Rear sump 5qt (not for Chevelles with steering behind crossmember, some Corvettes and 62-67 Chevy II's) * Oil Pump: Melling STD volume * Balancer: Internally balanced – PowerBond #PB1046-N * Flexplate: Externally balanced – Pioneer #FRA-159 * Intake Manifold: ATK HP dual plane * Distributor: HEI (Iron Gear) * Water Pump: OE long pump Recommended components: * Carburetor: Quick Fuel 680CFM vacuum secondary's electric choke #HR-680 * Fuel Pump: Holley mechanical 110GPH #12-327-11 * Spark Plugs: Autolite #605 * Spark Plug Wires: 8mm Engine Info: * Oil: Conventional/Non-Synthetic 10W30 * Oil Filter: Wix or K&N * Timing: 34-36 Degrees * Spark Plug Gap: .035 in. * Firing Order: 18436572 * Octane: 91+ * Stall Converter: Stock * Exhaust: 1 5/8 Headers

4.0 out of 5 stars ( 9 )

$3,688.99

BluePrint Engines Pro Series Chevy 427 C.I.D. 540 HP Dressed Long Block Crate Engines

Does your car need more power? Of course it does! Install 540 hp and be the envy of the block. BluePrint Engines Pro Series 427 c.i.d. dressed long block crate engines have the muscle you need to impress. These powerhouses feature a 30-month/50,000-mile warranty and they are the perfect choice for drivable and reliable high-end performance. Additionally, these assemblies are manufactured under strict tolerances and provide outstanding, consistent results. All of the rotating assemblies are balanced within 2 grams on a computerized balancer. BluePrint Pro Series crate engines are also dyno-tested and include the dyno sheets. For high-horsepower, big displacement engines, BluePrint Pro Series Chevy 427 c.i.d. dressed crate engines are the way to go! Features include: * BluePrint Engines cast iron block * 4340 forged crankshaft * 4340 forged connecting rods * Forged pistons * 9.5:1 compression * 4.125 in. x 4.000 in. bore/stroke * Hydraulic roller camshaft * Double roller timing chain * 64cc chamber aluminum cylinder heads * 1.6 ratio rocker arms * Carburetor * Billet distributor

5.0 out of 5 stars ( 5 )

$11,199.00

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 )

$16,836.20

ATK High Performance Ford 302 Stock Drop-In Long Block Crate Engines

Classic Ford 302 stock drop-in long block crate engines from ATK High Performance are shipped to you fully dressed. These are basic stock engines with moderate horsepower and torque based off the 80-86 Ford 302 engine. These engines typically make about 240 horsepower on the dynamometer. Additional specs: * Block: seasoned OE roller block * Bore/Stroke: up to 4.060 x 3.000 * Displacement: 302 c.i.d. * Crankshaft: OE Ford cast late model crankshaft (50 oz. imbalance) * OE steel connecting rods 5.4 in. stock bolts * Pistons: hypereutectic * Piston rings: moly rings * Compression Ratio: 8.5:1 * Camshaft: hydraulic flat tappet * Camshaft specifications: OE stock * Camshaft bearings installed and blocked to OEM position * Cylinder heads: OE cast iron * Freeze plugs: brass installed and sealed * Rocker arms: stamped steel 1.5 ratio * Oil galley plugs: installed and sealed * Oil pan: OE 5 qt. front sump * Weight: 430 lbs. * For engine break-in please follow the ATK break-in procedure that is included with the engine.

3.94 out of 5 stars ( 32 )

$3,998.99

ATK High Performance GM 350 330 HP Stage 1 Long Block Crate Engines

Give your ride new life with ATK High Performance GM 350 330 hp/380 lbs.-ft. Stage 1 long block crate engines. These engines are based on the tried-and-true small block Chevy and are built to perform right out of the box. ATK hand-assembles and balances each engine using top-quality parts to help them produce awesome power. Whether you are replacing an older, worn down engine or just looking for a little more performance, ATK has you covered. Stage 1 long block crate engines include: * Handpicked, remanufactured blocks * ATK cast iron cylinder heads * 76cc chambers * 165cc intake runners * 1.94 in./1.5 in. valves * Stamped steel 1.5 ratio rocker arms * OE crankshaft * OE 5.7 in. powder metal connecting rods * Hypereutectic flat-top pistons * Moly rings * Hydraulic flat tappet camshaft * 465 int./.488 exh. cam lift * 224 int./234 exh. cam duration at 0.50 * 9.1:1 compression * Valve covers * Timing cover and timing set * Oil pan, pump, and pickup tube

3.69 out of 5 stars ( 16 )

$3,099.99

Chevrolet Performance ZZ632/1000 Deluxe Long Block Crate Engines

Chevrolet Performance's ZZ632/1000 deluxe long block crate engines are their biggest and baddest big blocks! They start with a tall deck Sportsman Bowtie block and an all-forged roller assembly, then add a hydraulic roller camshaft and high-flow spread-port CNC-machined cylinder heads derived from Pro Stock racing technology. The RS-X design cylinder heads feature symmetrical ports to produce similar power from all eight cylinders. ZZ632 crate engines have a crank-trigger ignition system with coil-near-plug ignition coils mounted on a unique valley plate. Included is a pre-programmed, self-learning control system for precise fuel control and amazing output on premium pump gas. These big block engines reach peak power at 6,600 rpm and rev to a recommended maximum of 7,000 rpm. Technical specs: * Bore and stroke: 4.600 in. by 4.750 in. * Power is 1,004 hp at 6,600 rpm * Torque is 876 lbs.-ft. at 5,600 rpm * Cast iron block with 4-bolt mains * Forged 4340 steel crankshaft * Forged steel H-beam connecting rods * Forged aluminum 2618 alloy pistons * Aluminum high-rise single-plane intake manifold * Dominator 4500-style throttle body * 86 lb.-hr. fuel injectors * Billet steel hydraulic roller camshaft * Valve lift of 0.780 in. intake and 0.782 in. exhaust * Camshaft duration at 0.050 in. is 270 intake and 287 exhaust * Aluminum RS-X symmetrical spread-port cylinder heads with 70cc chambers * Titanium 2.450 in. intake/1.800 in. exhaust valves with a 5/16 in. stem * 58X reluctor crank-triggered, coil-near-plug ignition * Compression ratio of 12.0:1 * Forged aluminum shaft-mount roller rocker arms with 1.8:1 ratio * Aluminum water pump * Steel 8-quart oil pan * Recommended fuel: 93 octane or higher

5.0 out of 5 stars ( 2 )

$32,935.35

Chevrolet Performance ZZ427/480 HP Long Block Crate Engines

Chevrolet Performance has recreated the classic L88 Big Block combination in the ZZ427/480 long block crate engine. Rated at 480 hp, it features an iron block, forged steel crankshaft, and high-flow aluminum cylinder heads. An upgraded hydraulic roller camshaft improves drivability and rpm range, while lower 10.1:1 compression means you can enjoy the power on pump gas, too. The ZZ427 comes complete with: high-flow oval port heads, a high-lift camshaft, aluminum intake manifold, 770 cfm Holley carburetor, an HEI distributor, aluminum water pump, balancer, spark plug wires, and a 14 in. flexplate. If you're looking for a modern version of the classic L88, the Chevrolet Performance ZZ427/480 long block crate engine is the answer. Additional specs and features include: * 4.250 in. bore with 3.750 in stroke * Cast iron block with 4-bolt main caps * Forged steel crankshaft * Forged steel connecting rods * Forged aluminum pistons * Hydraulic roller camshaft: - Valve lift .527 in. intake/.544 in. exhaust - Duration (.050 in) 224 intake/ 234 exhaust * Aluminum oval port heads with 110cc chambers * 2.190 in. intake/1.880 in. exhaust valves * 10.1:1 compression ratio * Aluminum 1.7:1 ratio roller rocker arms * HEI distributor * 770 cfm carburetor * Aluminum short water pump * Ignition timing base 10 degrees BTDC, 36 degrees total * 6,400 maximum recommended rpm

3.6 out of 5 stars ( 5 )

$16,940.27

Briggs & Stratton 206 Racing Crate Engines

Briggs & Stratton 206 racing crate engines are factory-sealed long blocks with ground cams and controlled piston pop-up (reducing compression variance). These budget-friendly mills feature a simplified IKF/WKA rule set designed to maintain a stock configuration, right down to the factory-shipped carburetor jets. Simply put: the 206 engines even the playing field so that drivers can focus on the important task at hand--winning the race! Briggs & Stratton 206 crate engine features and specs: * Primary use: Karting, Microstocks, Jr. Drag Racing * Engines are assembled by hand in Milwaukee, WI using tooling and dies specifically designed for racing for unparalleled repeatability * Reinforced, cast iron sleeved, dual ball bearing racing cylinder * Single cast, custom aluminum alloy cylinder head with high-flow intake port, custom seat/guide material * Squeeze cast, T-7 heat-treated aluminum rod with reinforced I-beam * Carbon steel crankshaft with induction-hardened, micro-polished, crankpin-reinforced timing gear * Cam ground, barrel-faced, eutectic alloy piston with 3-piece ring set with chrome faced top ring * .255 max. lift ground cam with nitrited lobes and built-in mechanical compression release * High-silicon, racing-engineered valve springs * High-grade stainless steel dished valves with nitrited exhaust * 3-piece, automotive-style keepers and reinforced rocker arm and lock ball * PVL digital ignition with built-in 6,100 rpm rev limiter * PVL steel hub, cast aluminum flywheel * Briggs & Stratton tooled 22mm round slide, fully adjustable jet carburetor * Custom grafoil composition head gasket

4.71 out of 5 stars ( 7 )

$759.00

ATK High Performance Chevy LM7 5.3L 385 HP Long BLock Crate Engines

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

4.93 out of 5 stars ( 15 )

$4,189.99

Ford Performance Parts 302 C.I.D. 340 HP Boss Long Block Crate Engines

Ford Performance Parts 302 c.i.d. 340 hp Boss long block crate engines feature Ford's X2 cylinder heads packaged with the legendary "E" camshaft for use with automatic or manual transmissions. Utilizing forged internals, the X2302E long blocks deliver excellent value and are solid foundations for any performance combination, including forced induction. These crate engines feature race-quality components at competitive pricing. Features and specs for these Ford Boss long block crate engines include: * 302 cu. in. * 340 hp * 9.0:1 compression ratio (nominal) * Forged pistons * Forged steel connecting rods * BOSS 4-bolt main block * Hydraulic roller camshaft, .498 in. lift intake and exhaust, duration at .050 in. is 220 degrees intake and exhaust * Double roller timing chain set * Forged steel crankshaft * Can be used in kit cars, street rods, Mustangs, Fox-bodied cars, and trucks (rear sump pan fits most Fox body cars) * Ford Performance aluminum X2 cylinder heads * Roller rocker arms * Rear sump oil pan and pickup, standard rotation timing cover, reverse rotation water pump, and non-EFI valve covers * Fuel pump eccentric installed * Built with all new parts

2.0 out of 5 stars ( 1 )

$9,849.99

ATK High Performance Ford 502 515 HP Stage 3 Long Block Crate Engines

ATK High Performance Ford 502 515 hp Stage 3 long block crate engines use a smaller camshaft which will have a slightly smoother idle and has vacuum for power brakes. ATK Stage 3 or complete dressed engines are engineered for those wanting to drop the engine into their project and fire it up. They have outfitted the engines as completely as possible to save you time and headaches. Typically ATK Ford 502 515 hp complete long block engines consist of: * Seasoned OE roller block * Nodular iron crankshaft * 4340 forged I-beam connecting rods * Hypereutectic pistons * Chromoly piston rings * Hydraulic flat tappet camshaft * Performance cylinder heads * Stainless steel rocker arms * Timing set * Oil pan, oil pump and pick-up tube * Valve covers * Flexplate * Performance intake manifold * Distributor * Water pump * Front damper * 780cfm carburetor * Spark plugs and wires

Not Yet Reviewed

$10,109.99

ATK High Performance Ford 347 Stroker 450 HP Stage 3 Long Block Crate Engines

If you don't have the time or means for a build, ATK High Performance Ford 347 Stroker Stage 3 long block crate engines are the answer. They'll help anyone looking for a complete motor with reliable, on-street high performance. These fully-dressed (Stage 3) engines work with power accessories, produce a noticeable idle, and include all the Stage 2 components. They may also add in the following parts (among others): carburetion, filters, and spark system. ATK Ford 347 Stroker 450 hp Stage 3 long block crate engines specs: * 440 lbs.-ft. torque * Seasoned OE roller block * 4.040 x 3.400 bore/stroke * 347 c.i.d. displacement * Nodular iron crankshaft (3.400 in. stroke; one-piece externally balanced; 28 oz.) * 4340 forged I-beam connecting rods (5.400) with ARP bolts * Forged flat-top pistons with four valve reliefs * Moly piston rings with 10.1:1 compression ratio * Hydraulic roller camshaft with 231/235 duration at 0.050, 0.544 in./0.565 ex. Lift, 112LSA * Installed camshaft bearings clocked to OEM position * Dart Pro 1 aluminum cylinder heads with 58cc/195cc port volume and 2.02/1.60 in. valves * Installed and sealed brass freeze plugs (oil galley plugs also installed and sealed) * Billet aluminum 1.6 ratio full roller rocker arms * 5 qt. front sump OE oil pan * 430 lbs.

3.0 out of 5 stars ( 2 )

$8,099.99

ATK High Performance Chrysler 360 Magnum 320 HP Stage 1 Long Block Crate Engines

ATK High Performance Chrysler 360 Magnum 320 hp Stage 1 long block crate engines are perfect for a street cruiser offering great street ability, stock idle, and good power. ATK Stage 1 or base engines are designed for those that may have their own component parts already, and who also are interested in completing out the build themselves. Typically ATK Chrysler 360 Magnum 320 hp base engines consist of: * Seasoned OE Magnum block * OE cast crankshaft * OE steel connecting rods * Hypereutectic pistons * Chromoly piston rings * Hydraulic roller camshaft * Magnum cylinder heads * Steel rocker arms * Timing set and cover * Oil pan, oil pump and pick-up tube * Valve covers

3.44 out of 5 stars ( 9 )

$3,298.99

Chevrolet Performance 5.7L 350 HO 333 HP Turnkey Long Block Crate Engines

The Chevrolet Performance 5.7L 350 HO 333 HP Turnkey long block crate engines are assembled with all-new parts and high-flow heads, giving you more power than just about any production-spec small block ever installed at the factory. Designed, engineered, and tested to stringent Chevrolet specifications, these cast-iron blocks with four-bolt main caps is the foundation for the 350 HO, which is topped with iron Vortec heads fitted with 1.94/1.50 in. valves. In addition, durable rotating assembly has aluminum pistons that deliver a 9.0:1 compression ratio. Chevrolet Performance pioneered their high-performance crate engine half a century ago—and they have never stopped working to offer enthusiasts new and more powerful solutions for their projects. You've got a dream in your garage. Chevrolet Performance wants to help you bring it to life. Tech Specs: * Engine Type: Chevy Small-Block V-8 * Displacement (cu. in.): 350 * Bore x Stroke (in.): 4.000 x 3.480 * Block: Cast-iron with four-bolt main caps * Crankshaft: Nodular iron * Connecting Rods: powdered-metal steel * Pistons: cast-aluminum * Camshaft Type: hydraulic flat tappet * Camshaft Lift (in.): .435 intake / .460 exhaust * Camshaft Duration (@.050 in.): 212° intake/222° exhaust * Cylinder Heads: Vortec iron; 64-cc chambers * Valve Size (in.): 1.940 intake/1.500 exhaust * Compression Ratio: 9.0:1 nominal * Rocker Arms: stamped steel * Rocker Arm Ratio: 1.5:1 * Water Pump: cast iron, long-style * Flexplate: 12.750 in. * Recommended Fuel: premium pump * Ignition Timing: 32° Total @ 4,000 rpm * Maximum Recommended RPM: 5100 * External balance

4.0 out of 5 stars ( 1 )

$8,634.77

BluePrint Engines Pro Series Chevy LS 427 C.I.D. 625 HP EFI Drop-In Base Long Block Crate Engines

Swap out your powerplant with one of these BluePrint Engines Pro Series Chevy LS 427 c.i.d. EFI drop-in base long block crate engines. They put down an impressive 625 hp and 565 lbs.-ft. of torque! Featuring a 30-month/50,000-mile warranty, they're the perfect choice for drivable and reliable high-end performance. Additionally, BluePrint Pro Series Chevy 427 c.i.d. dressed long block crate engine assemblies are manufactured under strict tolerances and provide outstanding, consistent results. They include a 58X Gen IV reluctor wheel and sensors. Long block crate engine 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 intake/255 exhaust duration @ .050 in. lift, with 114 degree lobe separation * Aluminum GM LS cylinder heads * Single roller timing chain * GM LS intake manifold * Full roller rocker arms * ECM Controlled (not included - customer must reprogram)

Not Yet Reviewed

$12,949.00

ATK High Performance GM 383 Stroker 435 HP Stage 1 Long Block Crate Engines

Give your ride the extra twist only a stroker can deliver with ATK High-Performance GM 383 Stroker 435 hp Stage 1 long block crate engines. These engines feature quality components and professional assembly to give your car or truck the kick it needs. They produce up to 475 ft.-lbs. of torque—that's enough to get you rolling in a cloud of tire smoke! ATK GM 383 Stroker 435 hp Stage 1 long block crate engine specs: * Seasoned OE 4-bolt main roller block * 4.040 x 3.750 bore/stroke * 383 c.i.d. displacement * Scat nodular iron crankshaft (3.750 in. stroke; one-piece; externally balanced rear/internal front) * Scat 4340 forged I-beam connecting rods (5.700 in.) with ARP bolts * Forged flat-top pistons with two valve reliefs * Moly piston rings with 10.1:1 compression ratio * Hydraulic roller camshaft with 220/224 duration at 0.050, 0.528 in./0.536 ex. Lift, 112LSA * Installed camshaft bearings clocked to OEM position * Dart SHP aluminum cylinder heads with 72cc/180cc port volume and 2.02/1.60 in. valves * Installed and sealed brass freeze plugs (oil galley plugs also installed and sealed) * Billet aluminum 1.6 ratio full roller rocker arms * 5 qt. OE oil pan * 350 lbs.

Not Yet Reviewed

$4,998.99

ATK High Performance GM 350 390 HP Stage 3 Long Block Crate Engines with EFI

ATK High Performance GM 350 390 hp Stage 3 long block crate engines with EFI are designed for better drivability and trouble-free cold starts with no tuning required, regardless of elevation, driving habits, or part swap! Based around FiTech Self-Learning EFI systems, these engines come complete from throttle body down to the oil pan. The only thing you will need is to supply is the fuel system--in line, in tank, or the FiTech Fuel Command Center. They are dyno-tested with your EFI system and ready to go! Typically ATK GM 350 390 hp complete long block engines consist of: * Seasoned OE block with 4-bolt mains * OE cast crankshaft * OE powder metal connecting rods * Hypereutectic pistons * Chromoly piston rings * Hydraulic roller camshaft * ATK High Performance aluminum cylinder heads with 2.020 in. /1.600 ex. valves * Billet roller rocker arms * Timing set * Oil pan, oil pump and pick-up tube * Valve covers * Flexplate * Performance intake manifold * Distributor HEI * Long water pump * Front damper * FiTech Go Street Electronic fuel injection 400hp * Spark plugs and wires * Dyno test/tune

Not Yet Reviewed

$5,398.99

Briggs & Stratton World Formula Racing Engines

Dominate the tracks with Briggs & Stratton World Formula racing engines! These complete engine packages balance the latest in design and technology—providing racers with a consistent, low-maintenance, and low-cost platform in which to sharpen their driving skills and chassis setup. Briggs & Stratton World Formula racing engine specs and features: * Primary use: Karting, Microstocks, Faskarts, Junior Sprint, Short Course Trophy Karts, and Quarter Midgets * Engine is hand-built and tested in their skunk-works * Reinforced, cast iron sleeved, dual ball bearing racing cylinder * Single cast, custom aluminum alloy cylinder head with kidney bean combustion chamber, custom seat/guide material, and CNC-machined intake D-port * 2024 billet aluminum rod with reinforced I-beam * Carbon steel crankshaft with induction-hardened, micro-polished, crankpin-reinforced timing gear * Cam ground, barrel faced, eutectic alloy domed piston with 3-piece ring set with chrome faced top ring * .308 max. lift ground cam with stellite-faced lobes and built-in mechanical compression release * Dual high silicon valve springs * High-grade stainless steel dished valves with nitrited exhaust * Three-piece automotive style keepers and reinforced rocker arm and lock ball * PVL Digital ignition with built in rev limiter

Not Yet Reviewed

$1,299.00

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

BluePrint Engines Pro Series Chevy LS 427 c.i.d. carbureted retrofit dressed long block crate engines put down a whopping 625 hp and 550 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 engines are manufactured under strict tolerances and provide outstanding, consistent results. All of the rotating assemblies are balanced to within 2 grams on a computerized balancer. BluePrint Pro Series long block crate engines are also dyno-tested and include the dyno sheets. Long block crate engine 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 at .050 in. lift with 114 degree lobe separation * Aluminum GM LS cylinder heads * Single roller timing chain * Aluminum single plane intake manifold * Full roller rocker arms * Carburetor * Ignition coil packs * Spark plug wires * Spark plugs * Harmonic balancer

3.0 out of 5 stars ( 2 )

$14,049.00

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

ATK High Performance Chrysler 360 Magnum 350 HP Complete Long Block Crate Engines

ATK High Performance Chrysler 360 Magnum 350 HP complete long block crate engines incorporate Engine Quests upgraded casting with the following benefits: * Thicker deck for greater strength * Improved design resists cracking * Superior port finish for increased flow * Water flow redesigned for greater thermal conductivity * Hardened exhaust seats * CNC-machined guides and seats Engine specifications: * HP: 350 * TQ: 430 * Block: OE Magnum roller block 1993-2001 * Bore/stroke: 4.040 in. x 3.580 in. * Displacement: 360 cu. in. * Crankshaft: OE cast * Rods: OE 6.123 in. * Pistons: Hypereutectic 9.3:1 compression * Rings: Chromoly * Camshaft: Hydraulic roller * Cam specs: 207/217 at 50 .496/.496 112 LSA * Timing chain: Double roller * Cylinder heads: New upgraded Engine Quest cast iron 62cc/172cc 1.78/1.50 * Rocker arms: Steel 1.6 pedestal rockers * Oil pan: 5 qt. OE front sump * Oil pump: Melling STD volume * Balancer: Externally balanced * Intake manifold: Edelbrock performer RPM air gap dual plane * Distributor: Pro billet RTR (Iron Gear) * Water pump: OE early pump * Carburetor: Quick Fuel 680 cfm vacuum secondary's electric choke * Fuel pump: Holley mechanical 110 gph * Spark plugs: Autolite * Spark plug wires: 8mm

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$6,898.99