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ATK High Performance Chevy 383 Stroker Short Blocks
Your engine needs a rock-solid foundation to make the horsepower you crave; that's where these ATK High Performance Chevy 383 Stroker short blocks come in. With these blocks, all of the hard work has been done for you. Everything comes machined, clearanced, balanced, and blueprinted, so you have a bulletproof bottom-end that is ready to run. Just decide how mild or wild you want to go. These ATK High Performance Chevy 383 Stroker short blocks include the following: * Handpicked and seasoned 4-bolt main block * Aligned and honed main bores * Forged 4340 steel * 3.75 in. stroke * I-beam connecting rods * Hypereutectic dish top pistons
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$2,699.99
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$3,828.99
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
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$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
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$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
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$3,688.99
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.
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$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
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$3,099.99
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
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$3,298.99
ATK High Performance GM 383 TBI Stroker 320 HP Stage 1 Long Block Crate Engines
Experience the torque that only a stroker can give you with ATK High Performance GM 383 TBI Stroker 320 hp long block crate engines. These engines crank out 320 hp and 395 ft.-lbs. of torque, perfect for your pulling rig, RV, or muscle truck. They are hand-assembled and precisely balanced to create smooth-running, reliable engines for your ride. ATK GM 383 TBI Stroker Stage 1 long block crate engines include: * Handpicked, remanufactured blocks * OE cast iron TBI cylinder heads * Nodular steel crankshaft and 4340 I-beam connecting rods * Hypereutectic pistons * Hydraulic roller camshaft * Cam lift- .435 int./.462 exh. * Cam duration at 0.50- 198 int./210 exh. * 9.5:1 compression * Valve covers * Timing cover and timing set * Oil pan, pump, and pickup tube
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$3,998.99
ATK High Performance GM 350 345 HP Stage 2 Long Block Crate Engines
Give your old ride new life with these ATK High Performance GM 350 345 hp/400 lbs.-ft. Stage 2 long block crate engines. These engines are built to perform and look great without breaking your budget. Each engine is expertly assembled, balanced, blueprinted, and topped with quality components, making it a solid, reliable mill to power your muscle car, street rod, or pickup. ATK GM 350 345 hp Stage 2 long block crate engines include: * Handpicked, OE remanufactured block * ATK cast iron 75cc/165cc 1.94/1.50 cylinder heads * ATK dual plane intake manifold * OE crankshaft * OE 5.7 in. powder metal connecting rods * Hypereutectic pistons * Moly rings * Hydraulic roller camshaft .495in/.502ex 110LSA * Stamped steel 1.5 ratio rocker arms * HEI distributor, plug wires and plugs * Valve covers * Timing cover and double roller timing set * 5 qt. oil pan, high volume oil pump with pickup tube * OE style long water pump * PowerBond 8 in. balancer and 168 tooth flexplate
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$3,635.99
ATK High Performance Ford 302 375 HP Stage 1 Long Block Crate Engines
Bring your ride to life with ATK High Performance Ford 302 375 hp Stage 1 long block crate engines. These engines are based on the tried and true Ford 302 and are built to perform. ATK hand-assembles and balances each engine using top-quality parts to help them produce awesome power. Whether you are replacing an older, tired engine or just looking for a little more performance, ATK has you covered. Details and specs: * 375 hp/380 lbs.-ft. * Compression Ratio: 9.5:1 * ATK Aluminum heads * Hydraulic roller cam * Cast steel crankshaft 50oz external balance * Hypereutectic pistons * Seasoned OE roller block 1987-1995 * 4.040 in. bore x 3.000 in. stroke * One-piece rear main seal * Mechanical fuel pump provision * Dual sump oil pan HP08, Front sump oil pan HP78 * Melling high volume oil pump * Double roller timing set Cylinder Heads: * ATK aluminum cylinder heads * 58cc chamber * 2.02 in. intake/1.60 in. exhaust valves * 185cc intake runners * 1.6 aluminum roller rockers Roller Cam specs: * .512 intake/.512 exhaust * 220 intake/224 exhaust duration @ .050 - 112-degree lobe separation Recommended: * 34-36 degrees total timing * 13726548 firing order * Left Hand inlet reverse rotation water pump (HP08) * Right Hand inlet standard rotation water pump (HP78) * Autolite 3923 spark plugs 0.035 gap * 8mm Spark plug wires * 2,400-2,800 Stall converter * 1,500-6,500 dual plane intake * 80 GPH Fuel pump * 91 plus octane fuel * 680 cfm carburetor
Not Yet Reviewed
$4,765.99
ATK High Performance Ford Truck 302 Drop-In Long Block Crate Engines
ATK High Performance Ford Truck 302 drop-in long block crate engines are fully dressed with moderate horsepower and torque based off the 64-86 Ford 302 engine. These Stage 3 engines typically make about 230 hp on the dynamometer. Engine specifications: * Block: seasoned OE non-roller block * Bore/Stroke: up to 4.060 in. x 3.000 in. * Displacement: 302 c.i.d. * Crankshaft: OE one-piece seal, external balance 50 oz. * OE powder metal connecting rods * Pistons: cast aluminum * Piston rings: chromoly * Compression Ratio: 8.6:1 * Camshaft: hydraulic flat tappet * Camshaft specifications: 192/183 at 50, .380/.395 111LSA * Double roller timing chain * Cylinder heads: OE cast iron * Stamped steel 1.6 pedestal mount rocker arms * Oil pan: rear sump truck
Not Yet Reviewed
$3,998.99
ATK High Performance Chrysler 360 Magnum 350 HP Base Long Block Crate Engines
ATK High Performance Chrysler 360 Magnum 350 HP base 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 (does not come with an oil pump driveshaft)
Not Yet Reviewed
$4,098.99
ATK High Performance Chevy LQ4 6.0L Short Blocks
Start your next engine build with one of these ATK High Performance Chevy LQ4 6.0L short blocks. The LQ4 is an ultra-tough basis for high-horsepower engines in their stock form, but ATK improved on it. These engines are 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 is ready for your choice of components to make it your own. These ATK High Performance Chevy LQ4 6.0L short blocks include the following: * 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
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$3,198.99
ATK High Performance Chevy 377 Stroker Short Blocks
Looking to upgrade your old engine using your existing heads? ATK high performance Chevy 377 Stroker short blocks use a 100 percent new American-made cast iron block outfitted with a Scat crank kit. All the hard work is done, you just need to finish it off. These crate engines are available with forged H-beam or I-beam connecting rods; dish top or flat top pistons; forged 4340 steel or nodular iron crankshaft; and other options. Note: Performance short blocks are based on dyno-proven combinations built with name brand parts. Stroker engine built over size of stock stroke. Short block strapped and shipped on wooden pallet crate.
Not Yet Reviewed
$3,298.99
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$4,499.99
ATK High Performance Chrysler 360 Magnum 320 HP Stage 2 Long Block Crate Engines
ATK High Performance Chrysler 360 Magnum 320 hp Stage 2 long block crate engines are perfect for a street cruiser offering great street ability, stock idle, and good power. ATK Stage 2 or mid-dressed engines are designed for those that may have their own component parts already, and who also are interested in completing the finishing touches of the build themselves. Typically ATK Chrysler 360 Magnum 320 hp mid-dressed 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 * Intake manifold * Distributor * Water pump * Front damper * Flexplate
Not Yet Reviewed
$4,589.99
ATK High Performance GM 383 Stage 1 Marine Long Block Crate Engines
Replace the tired small block in your boat with ATK High Performance GM 383 Stage 1 marine long block crate engines. They are built from the ground up with off-shore performance in mind. These hand-built and balanced engines utilize Vortec power and stroker torque to produce an awesome 345 hp and 445 ft.-lbs. of twist that will get you moving on the open water. Each engine features brass freeze plugs and corrosion-resistant marine gaskets to keep the engines healthy and reliable. ATK GM 383 Stage 1 Marine long block crate engines include: * Handpicked, remanufactured blocks * Dart Iron Vortec cylinder heads * Nodular steel crankshaft and 4340 I-beam connecting rods * Hypereutectic pistons * Hydraulic roller camshaft * Valve covers * Timing cover and timing set * Oil pan, pump, and pickup tube
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$4,417.99
ATK High Performance Chrysler Gen III Hemi 392 Short Blocks
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
ATK High Performance GM 350 330 HP Stage 2 Long Block Crate Engines
Give your ride new life with these ATK High Performance GM 350 330 hp/380 lbs.-ft. Stage 2 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, tired engine or just looking for a little more performance, ATK has you covered. ATK GM 350 330 hp Stage 2 crate engines include the following: * Handpicked, OE remanufactured blocks * 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 * ATK dual plane intake manifold * OE crankshaft * PowerBond 8 in. balancer * OE 5.7 in. powder metal connecting rods * Hypereutectic flat top pistons * Hydraulic flat tappet camshaft * .465 int./.488 exh. cam lift * 224 int./234 exh. cam duration at 0.50 * 9.1:1 compression * Distributor * Valve covers * Timing cover and double roller timing set * Oil pan, pump, and pickup tube * OE style long water pump * 168 tooth flexplate
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$3,750.99
ATK High Performance Chevy LM7 383 Short Blocks
ATK Chevy LM7 383 short blocks support your build with a solid foundation. Produced for the 1999-2007 trucks, LM7 engines are very popular engines to swap into musclecars and other LS swap vehicles. ATK High Performance Chevy LM7 383 short blocks are built for naturally aspirated engines up to 700 hp. Your ATK LM7 engine may include these components for optimal performance: * Block: GM LM7 5.3L * Bore/stroke: 3.903 x 4.000 * Displacement: 383 cu. in. * Crankshaft: K1 4340 forged steel, internally balanced 24-tooth * Connecting rods: Scat Premium Pro 4340 forged I-beam with ARP 8740 bolts * Pistons: Wiseco 2618 forged aluminum with coated skirts * Piston rings: Wiseco GFX (alloy steel top ring) * Camshaft bearings: Installed and clocked to OEM position * Freeze plugs: Brass installed and sealed * Oil galley plugs: installed and sealed * Weight: 285 lbs.
Not Yet Reviewed
$4,098.99
ATK High Performance Chevy LM7 5.7L/347 Short Blocks
ATK Chevy LM7 5.7L/347 short blocks provide a solid foundation for your build. Produced for the 1999-2007 trucks, LM7 engines are very popular engines to swap into musclecars and other LS swap vehicles. ATK High Performance Chevy LM7 5.7L/347 short blocks are built for naturally aspirated engines up to 700 hp. Your ATK LM7 engine may include these components for optimal performance: * Block: GM LM7 5.3L * Bore/stroke: 3.903 x 3.622 * Displacement: 5.7/347 c.i.d. * Crankshaft: OE reground 3.622 in., internally balanced 24-tooth * Connecting rods: Scat Premium Pro 4340 forged I-beam with ARP 8740 bolts * Pistons: Wiseco 2618 forged aluminum with coated skirts * Piston rings: Wiseco GFX (alloy steel top ring) * Camshaft bearings: Installed and clocked to OEM position * Freeze plugs: Brass installed and sealed * Oil galley plugs: installed and sealed * Weight: 285 lbs.
Not Yet Reviewed
$3,298.99
ATK High Performance GM 383 Stroker Marine Base Long Block Crate Engines
Want to get back on the water? Start your build with ATK High Performance GM 383 Stroker marine base long block crate engines. They'll help anyone looking to complete their build with reliable, on-water high performance. These base or Stage 1 engines produce great power throughout the entire power curve! Your ATK GM 383 Stroker marine base long block features: * Seasoned OE 4-bolt main, one-piece seal block * Nodular iron crankshaft * 4340 forged I-beam connecting rods * Hypereutectic dished pistons with 9.1:1 compression ratio * Hydraulic roller camshaft with 210/215 Duration @0.050, 0.462 In./0.470 Ex. Lift, 114LSA * ATK aluminum cylinder heads with 70cc/195cc port volume and 2.02/1.60 in. valves * Double roller timing chain * Brass freeze plugs * Rocker arms: stamped steel 1.5 ratio * 5 qt. oil pan * Standard volume oil pump
Not Yet Reviewed
$4,798.99
ATK High Performance Chevy LQ9 6.0L Short Blocks
ATK High Performance Chevy LQ9 6.0L short blocks with OE flat top pistons are great beginnings for your mild street build, or just as a replacement for a tired short block. ATK takes the hard work out of your project by selling blocks that are ready to complete yourself. Every great build needs a solid foundation. Start yours with one of ATK's Chevy LQ9 6.0L short blocks. Technical specifications: * Block: Seasoned 6.0L cast no. 364 or 184 * Bore/stroke: 4.030 x 3.622 * Year range: 2001-2007 * Displacement: 370 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. stock bolts * Pistons: OE hypereutectic flat top with no valve reliefs * Piston rings: Moly rings * Compression ratio: 64cc = 10.7:1, 68cc = 10.2:1, 72cc = 9.8:1 * Camshaft bearings: Installed and clocked to OEM position * Freeze plugs: Brass installed and sealed * Oil galley plugs: Installed and sealed * Weight: 285 lbs.
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$3,198.99
ATK High Performance Chevy 383 Stroker Race Series Short Blocks
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
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$3,828.99
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
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$4,828.99
