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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
( 43 )
$3,849.99
These Summit Racing™ 350 small block Chevys are 100% new, including their blocks! No remanufactured parts are used to build these engines. They are built with new Vortec head castings that are not prone to cracking like the factory ones, and produce a reliable 300+ horsepower/375+ lbs.-ft. torque, providing a mild muscle car tone. These engines are assembled for us by the guys at ATK, and backed with their 2-year unlimited mile warranty for peace of mind.
Not Yet Reviewed
$4,499.99
Big power requires a solid foundation, so start your next build with one of these ATK High Performance Chevy 427 Dart Race Series short blocks. These short blocks are built, balanced, and blueprinted to be the strongest and most reliable short block available for your race car or hardcore street car. These ATK High Performance Chevy 427 Dart Race Series short blocks include the following: * Dart SHP block * Aligned and honed main bores * 4340 forged crankshaft * 4.00 in. stroke * 4340 forged H-beam connecting rods * Forged flat-top pistons
Not Yet Reviewed
$5,798.99
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$9,198.99
Hardcore engines need a hardcore bottom end; that's why ATK High Performance developed these Chevy 383 Stroker Race Series short blocks. These short blocks are built around the strongest components available so that they can handle serious horsepower for your race car or hardcore street machine. These ATK High Performance Chevy 383 Stroker Race Series short blocks include the following: * Handpicked and seasoned 4-bolt main block * Aligned and honed main bores * Forged 4340 crankshaft * 3.75 in. stroke * Forge H-beam connecting rods * Forged dish top pistons
( 3 )
$4,208.99
Big power requires a solid foundation, so start your next build with one of these ATK High Performance Chevy 540 Dart Race Series short blocks. These short blocks are built, balanced, and blueprinted to be the strongest and most reliable short blocks available for your race car or hardcore street car. Features: * Dart Big M 9.8 block * Aligned and honed main bores * 4340 forged crankshaft * 4.25 in. stroke * 4340 forged H-beam connecting rods * Forged -10cc dome pistons
Not Yet Reviewed
$7,626.99
BluePrint high torque GM 377 c.i.d. base stroker long block crate engines will provide you a great foundation to return your vehicle to the performance level you desire. They feature a new one-piece rear main BluePrint engine block with 4-bolt mains. Inside the block is a cast crankshaft and connecting rod rotating assembly, with 9.1:1 compression hypereutectic pistons. The full roller camshaft provides 0.481 intake/0.480 exhaust lift with 187 intake/193 exhaust duration at .050 with a 97 degree lobe separation. The engines also include a new oil pan, a set of valve covers, and a timing cover to finish them off. We purchased the last of these new-in-the-box engines from Blueprint. This means we cannot extend a warranty from the manufacturer; however, we do offer our standard 90-day handshake guarantee. This is a last chance opportunity, once they're gone we won't be able to order more--so grab one while you can! Engine specifications: * All new and dyno tested 377 c.i.d. small block Chevy compatible engine * Cast crankshaft with hypereutectic pistons * 4.000 in. bore and 3.750 in. stroke * Aluminum heads with 67cc chamber, 1.500 in. exhaust, and 1.940 in. intake valve * Accommodates 8- or 12-bolt intake manifolds * Requires electric fuel pump (not machined for mechanical fuel pumps) * Harmonic balancer included
( 2 )
$4,799.99
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
$13,568.04
BluePrint Engines GM 383 c.i.d. short block plus stroker engines are always balanced and ready for you to finish assemble. Whether you're building a kit car, race car, hot rod, or just a sweet old memory, BluePrint Engines are ready to add a lot of muscle to your fun! Block details: * 4-bolt main * Passenger side dipstick * Cylinder wall thickness "sonic-tested" * Cylinders computer-honed to tolerance of .0002 in. Rotating assembly details: * Crankshaft * Pistons * Connecting rods * Moly rings * High-volume oil pump * Heavy-duty single roller timing set * Harmonic balancer * Hydraulic roller camshaft and lifters * Oil pan * Brass freeze plugs
( 9 )
$5,099.00
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$5,749.00
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
( 1 )
$9,907.99
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
( 2 )
$32,935.35
Built for high performance applications, the Ford Performance 5.0L Coyote Gen 4 Aluminator SC crate engines are a powerhouse—ideal for custom race builds and 2024 GT Mustangs. While the Aluminator block, cylinder heads, oil pan, and intake manifold are factory pieces, Ford Performance replaces the hypereutectic pistons and sintered-steel rods with Mahle forged slugs, ARP 2000 rod bolts, and Manley forged H-beam rods, keeping the factory 12.0:1 compression ratio in naturally aspirated form and 9.5:1 on its boost-ready Aluminator crate. These flagship crates are quite popular with Ford diehards in the custom car and street rod world—because who really wants to put a Chevy LS in a deuce coupe? Crate engine features and specs: * Fits 2024+ Mustang GT * 5.0L (302 cubic inches) * 9.5:1 compression ratio (nominal) * Mahle hard anodized forged pistons with Grafal low friction coating * Manley H-beam connecting rods with ARP 2000 bolts * Forged steel crankshaft * Uses production 2024 Mustang GT aluminum block * 2024+ Production oil pan * Tuned composite Mustang GT intake manifold with production dual drive-by-wire 80mm throttle bodies with variable runner control * Four-valve-per-cylinder aluminum heads with roller-finger followers reduce friction. * Mustang GT production camshafts * Includes Ford Performance colder, heat range zero spark plugs (M-12405-M50A) * Includes Ford Performance oil filter (M-6731-FL820) * Includes billet steel gerotor oil pump gears (M-6600-M50A) * Vehicle harness and PCM not included * Does not include alternator (for alternator kit: refer to part numbers M-8600-M50BALT or M-8600-M50ALTA) * Engine mount bosses and bell housing mount pattern common to 4.6L modular engines * Does not include exhaust manifolds
Not Yet Reviewed
$15,262.99
Drop a Ford legend reborn into your project and experience the power of Ford Performance Parts 427 c.i.d. 535 hp long block crate engines. Built on Ford's Boss 351 blocks, these American-made engines are designed to provide you with big performance in a small block package, along with great drivability. The iconic 427 c.i.d. displacement, but on a Windsor platform—they offer all the powerplant you want at a price that you'll love! Technical information: * 535 hp at 5,600 rpm * 545 lbs.-ft. of torque at 4,500 rpm * Engine type: 351 based small block Ford * 4.125 in. bore x 4.00 in. stroke * 9.5 in. deck height Boss 351 block * SCAT forged steel crankshaft * SCAT forged steel H-beam connecting rods with ARP bolts * Mahle forged pistons with floating wrist pins * Hydraulic roller camshaft * Camshaft lift: .594 in. intake/.618 in. exhaust * Camshaft duration at .050 in: 242 degrees intake/248 degrees exhaust * Ford Performance aluminum "Z2" cylinder heads * 2.02 in. intake/1.60 in. exhaust valves * PAC 1219X ovate beehive valve springs * 10.5:1 compression ratio (nominal) * Roller rocker arms; 1.65:1 ratio * Ford Performance SFI-approved vibration damper; may require a spacer for pulley alignment * Cast aluminum, black wrinkle finish, Ford Racing script valve covers; fit most non-EFI applications * Steel oil pan with windage tray and scraper; 9-qt. capacity * Premium unleaded fuel recommended * Ignition timing: 32 degrees at 4,000 rpm * 5,600 maximum recommended rpm * Internally balanced; use neutral balance flywheel (not included) * Edelbrock Super Victor intake manifold recommended (not included) * Intake gaskets and pilot bearing included * Standard rotation water pump included * Timing cover will work with most standard rotation water pumps * Fuel pump eccentric installed, allows use of mechanical fuel pump * Firing order 1-3-7-2-6-5-4-8 (5.0L HO and 351W firing order) * Distributor not included * MSD distributor recommended (modifications for intake clearance necessary) * Steel distributor gear required * Built with currently available parts * Photo and specifications may vary * Available in front or rear sump configurations
( 2 )
$12,159.09
Ford Performance Parts Aluminator 5.2 XS long block crate engines are the most powerful, naturally aspirated, modular engines ever built by Ford. Utilizing the technology and hardware originally developed for the Shelby GT350 Mustang, the Aluminator 5.2 XS engines have a rating of 580 hp—making them worthy successors of their previous rendition, the A50XS. They're hand-assembled with premium aftermarket components, along with unique components developed specifically for the Cobra Jet racing program. Ford Performance Parts has created a balanced combination of high-end horsepower and strong mid-range torque in the ultimate cross-plane crankshaft long blocks: the Aluminator 5.2 XS engines. Summary of Aluminator XS features and specs include: * Designed to work with 2015-17 Mustang GT electronics—custom calibration required * 580 hp * 445 lbs.-ft. torque * 5.2L 317 cu. in. * 12:1 compression ratio * Hard-anodized forged pistons with low-friction coating * Unique H-beam connecting rods with bolts * Unique Ford Performance forged steel cross-plane crankshaft * Ford Performance Shelby GT350 cylinder block * Ford Performance Shelby GT350 oil pan, featuring integrated windage and slosh baffles, as well as an integrated oil pickup * Ford Performance Cobra Jet tuned intake (will not clear production 2015-17 hood without modification) * Ford Performance dual 65mm bore throttle body * Four-valve-per-cylinder Shelby GT350 fully CNC-ported aluminum heads with roller-finger camshaft followers * Unique Ford Performance camshafts * Camshaft specifications: Intake—14mm lift/270 degrees duration, exhaust—14mm lift/270 degrees duration * Low-leak rate Variable Cam Timing (VCT) phasers * Robust primary timing chains, as used on Shelby GT350R * Ford Performance 47 lb. fuel injectors * Ford Performance M-12A227-CJ13 high-rpm pulse ring * Unique Ford Performance blue coil covers with added unique badging—only on the Aluminator 5.2XS * Ford Performance zero (0) heat-range spark plugs * Ford Performance oil filter * 200 amp alternator and Front Engine Accessory Drive (FEAD) kit, as used on the Cobra Jet race car
Not Yet Reviewed
$24,500.00
The most popular crate engine size just got better and easier with Ford Performance Parts X2347 Street Cruiser dressed long block crate engines. The proven 347 stroker combination has been optimized for street cruising with a perfectly matched cam/cylinder head/intake manifold/carburetor combination that runs on pump gas. Guesswork and installation issues are eliminated with a complete intake and distributor package that has been developed and tested by Ford Performance engineers. The X2347D engines are hand-assembled and dressed out with the best aftermarket performance parts translating into 360 hp and 400 lb.-ft. of torque at the crank! Ford Performance X2347 main features: * 4.030 in. bore and 3.400 in. stroke * Boss 302 8.2 in. deck height block * SCAT forged steel crankshaft * SCAT forged steel I-beam connecting rods * Forged Mahle pistons with floating wrist pins * Ford Performance aluminum, 64 cc chamber cylinder heads * 1.94 in. intake valves, 1.54 in. exhaust valves * 9.6:1 compression ratio * Edelbrock Performer RPM Air Gap manifold * Holley Street Avenger 570 cfm carburetor * 1.6:1 ratio roller rocker arms * Ford Racing black satin aluminum valve covers * MSD billet distributor * Ford Racing 9mm black spark plug wires * Hydraulic roller Comp Cams .533 in. lift intake and exhaust with 206 degree duration intake and exhaust at .050" lift * Double roller timing chain set * Ford Racing SFI-approved harmonic damper * High performance front or rear sump 7-quart capacity oil pan with windage tray and scraper * Maximum recommended rpm: 6,000 rpm * Internal balance; use neutral balance flywheel
Not Yet Reviewed
$14,029.71
Torque wins races. Reliability wins championships. Quicksilver Circle Track crate engines are designed to deliver on both counts. These small-block V8 engines are factory sealed for fair competition and will deliver season after season of reliable racing performance with minimal maintenance, while producing full power on pump gasoline. To comply with popular stock-class racing rules, Quicksilver Circle Track engines are shipped with factory seals on the intake, front cover, oil pan, and cylinder heads. Built with premium quality components, they feature a roller camshaft design and offer the best value for dirt and asphalt Circle Track racing. Order the engine needed for your build. Features: * Durable GM Gen+ remanufactured cast iron blocks -- Cost-effective and durable solution for this application -- Single-piece rear main seal -- 8-bolt 4-barrel aluminum intake manifold -- 6-quart oil pan * Roller camshaft * Hydraulic lifters * Stainless steel valves, hardened valve seats, head gaskets with stainless steel fire rings, and heavy-duty marine valve springs for extended life * 6 in. SFI-approved balancer * For off-road racing only * Shipped with a fresh fill of Quicksilver Performance Racing 25W-40 synthetic blend oil
Not Yet Reviewed
$7,306.31
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$16,972.50
Edelbrock Musi 555 C.I.D. 697 hp Pro-Flo 4 long block crate engines are powerful, big cubic inch packages featuring the ultra-efficient Edelbrock E-CNC cylinder heads. The heads are ported where it counts to achieve optimal airflow for maximum horsepower and torque in high performance street and light-duty racing applications. The key advantage of these cylinder heads is their increased airflow for big power, and the exhaust port exits are in the stock location, which allows for the use of readily available off-the-shelf headers.
Not Yet Reviewed
$22,944.95
ATK High Performance Chrysler Gen III Hemi 392 short blocks offer two robust bottom ends for your hot rod. One is perfect for your potent street or race build, while the other is designed for engines that will be running boost or nitrous. These Hemi blocks feature top-of-the-line Scat forged stroker kits. They include clocked camshaft bearings set to the OEM position, plus installed/sealed freeze plugs and oil galley plugs. You wouldn't build a house on sand, so don't start your big block Mopar build with anything less than ATK High Performance Chrysler Gen III Hemi 396 short blocks. Features, items, and specs may include: * Seasoned OE main block (ARP main studs with boost/nitrous version) * 3.927 x 4.050 bore/stroke * Scat 4.050 in. stroke crankshaft (internally balanced) * Scat 4340 forged 6.125 in. connecting rods with ARP bolts * Forged -2cc flat top pistons * Moly or Plasmamoly with steel top ring gapped for boost/nitrous piston rings (depending on application) * 81cc=9.9:1/85cc=9.6:1/89cc=9.2:1 compression ratio (based off .028 in. gasket)
Not Yet Reviewed
$4,199.99
Meet the newest member of the iconic 350-based ZZ engine family—ZZ6! Chevrolet Performance has rated these base crates to really deliver the power, thanks in part to their unique, lightweight aluminum cylinder heads that enable optimal airflow at high rpm. The engines are based on the proven Fast Burn design with large intake runners and valves. Along with their beehive-style valve springs that offer high-rpm efficiency and durability, the ZZ6 blocks make the most of every cubic inch of air drawn through them. Supporting the massive flow of air is an aggressive hydraulic roller camshaft and a forged steel crankshaft. The ZZ6 350 c.i.d. base crate engine kit includes intake manifold, distributor, water pump, damper, flexplate, and the distinctive, race-inspired valve covers. The legendary ZZ6 tech specs are: * Cast iron block with 4-bolt mains * Bore x stroke: 4.000 x 3.48 * Valve lift (in.): .474 intake/.510 exhaust * Camshaft duration at .050 in.: 208 degree intake/221 degree exhaust * Valve size (in.): 2.000 intake/1.550 exhaust * Compression ratio is 9.72:1 nominal * Aluminum roller-style rocker arms * Rocker arm ratio is 1.5:1 * Recommended fuel: Premium pump * Distributor: HEI * Ignition timing: 36 degree total @ 4,000 rpm * Maximum recommended rpm: 5,800 * Balance: external
Not Yet Reviewed
$9,126.05
If the time has come to replace your tired old small block Chevy, then look no further than a VEGE Chevrolet 350 c.i.d. remanufactured long block crate engine. These long blocks are an excellent foundation for budget-minded builds, are a drop-in replacement for many 1987-95 GM vehicles—and can also be retrofitted into nearly any vehicle. VEGE Chevrolet 350 c.i.d. remanufactured long block crate engines create great low-end power, making them perfect for cruisers, street rods, trucks and even your daily driver. They can produce 250 horsepower and 350 ft. lbs. torque when equipped with 600CFM carburetor and a dual plane 4-barrel intake manifold. VEGE Chevrolet 350 c.i.d. remanufactured long block crate engines feature: * Remanufactured 2-bolt main cast iron engine block * Cast crankshaft * Cast connecting rods * 12.3cc Dish hypereutectic pistons * 8.5:1 Compression ratio * Cast iron cylinder heads with 76cc combustion chambers * 1.94 in. Intake valves, 1.50 in. exhaust valves * Standard small Chevy exhaust bolt pattern * Uses standard 14mm x 1.25 thread, taper seat, 0.441 in. reach spark plugs * Hydraulic flat tappet camshaft * 0.383 in. Intake lift, 0.401 in. exhaust lift * Duration at 0.050 in. lift 194 int./202 exh. * 112 degree lobe separation * Oil pan with passenger side dipstick * Steel timing cover * Steel valve covers Drop-In replacement applications: * 1990-92 Cadillac Brougham * 1987-94 Chevrolet Blazer * 1988-95 Chevrolet C1500 * 1992-95 Chevrolet C1500 Suburban * 1988-95 Chevrolet C2500 * 1992-95 Chevrolet C2500 Suburban * 1988-95 Chevrolet C3500 * 1989-89 Chevrolet Caprice * 1987-95 Chevrolet G10 * 1987-95 Chevrolet G20 * 1988-95 Chevrolet K1500 * 1992-95 Chevrolet K1500 Suburban * 1988-95 Chevrolet K2500 * 1988-95 Chevrolet K3500 * 1987-89 Chevrolet P20 * 1988-95 Chevrolet P30 * 1987-87 Chevrolet R10 * 1987-88 Chevrolet R10 Suburban * 1989-91 Chevrolet R1500 Suburban * 1987-88 Chevrolet R20 * 1987-88 Chevrolet R20 Suburban * 1989-89 Chevrolet R2500 * 1989-91 Chevrolet R2500 Suburban * 1989-91 Chevrolet R3500 * 1995-95 Chevrolet Tahoe * 1987-87 Chevrolet V10 * 1987-88 Chevrolet V10 Suburban * 1989-91 Chevrolet V1500 Suburban * 1989-91 Chevrolet V2500 Suburban * 1989-91 Chevrolet V3500 * 1989-95 GMC C1500 * 1992-95 GMC C1500 Suburban * 1989-95 GMC C2500 * 1992-95 GMC C2500 Suburban * 1989-95 GMC C3500 * 1987-93 GMC G1500 * 1987-95 GMC G2500 * 1988-95 GMC G3500 * 1987-91 GMC Jimmy * 1988-95 GMC K1500 * 1992-95 GMC K1500 Suburban * 1988-95 GMC K2500 * 1988-95 GMC K3500 * 1988-89 GMC P2500 * 1989-95 GMC P3500 * 1987-87 GMC V1500 * 1987-91 GMC V1500 Suburban * 1987-87 GMC V2500 * 1987-91 GMC V2500 Suburban * 1987-91 GMC V3500 * 1993-95 GMC Yukon
( 25 )
$2,899.99
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