ATK High Performance Engines at Summit Racing

ATK High Performance GM 383 Stroker 415 HP Stage 2 Long Block Crate Engines

ATK High Performance GM 383 Stroker 415 hp Stage 2 long block crate engines are the perfect choice to drop in your ride if you're looking for some stroker power without breaking the bank. They are made of high-quality name brand parts at an affordable price and are perfect for getting your ride back on the road. ATK long block crate engines include: * Intake manifold * ATK High Performance aluminum cylinder heads with 2.020 in. /1.600 ex. valves * Distributor * Oil pan * Valve covers * Timing cover * Water pump * Harmonic balancer

4.8 out of 5 stars ( 5 )

$4,898.99

ATK High Performance GM 383 Stroker 415 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 415 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 460 ft.-lbs. of torque—that's enough to get you rolling in a cloud of tire smoke! ATK GM 383 Stroker 415 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 * Hypereutectic pistons * Moly piston rings with 9.7:1 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 * ATK high-performance aluminum cylinder heads with 2.02/1.60 ex. valves * Installed and sealed brass freeze plugs (oil galley plugs also installed and sealed) * Billet aluminum 1.6 ratio rocker arms * 5 qt. OE oil pan * 350 lbs.

4.75 out of 5 stars ( 4 )

$4,498.99

ATK High Performance GM 383 Stroker 525 HP Stage 1 Long Block Crate Engines

ATK High Performance GM 383 Stroker 525 hp Stage 1 long block crate engines are power transplants for your high performance projects. ATK Stage 1 or base engines are designed for builders that have their own component parts already, and who are interested in completing out the build themselves. GM base engines typically consist of the following: short block, camshaft, timing set, cylinder heads, valve covers, timing cover, oil pan, oil pump, and pick up tube. Engine specifications: * Horsepower: 525 * Torque: 515 * Block: OE roller block 4-bolt main one-piece seal 1996-2000 * Bore/stroke: 4.040 x 3.750 in. * Displacement: 383 * Crankshaft: Scat 4340 forged external balance rear of crank/internal balance front of the crank * Rods: Scat 4340 forged H-beam with ARP 8740 bolts * Pistons: Forged 10.2:1 compression * Rings: Moly * Camshaft: Hydraulic roller * Cam specs: 246/250 at 50 .603intake/.609exhaust 110LSA * Timing chain: Double roller * Cylinder heads: ATK American-made aluminum 70cc/210cc 2.02/1.60 * Rocker arms: Billet aluminum 1.6 roller rockers * Oil pan: Moroso 7qt. with windage tray * Oil pump: Melling * Flexplate/flywheel: Pioneer external balance 168 tooth (with Scat kit)

Not Yet Reviewed

$7,198.99

ATK High Performance GM 383 Stroker 415 HP Stage 3 Long Block Crate Engines

ATK High Performance GM 383 Stroker 415 hp Stage 3 long block crate engines are the perfect choice to drop in your ride if you're looking for some stroker power without breaking the bank. They are made of high-quality name brand parts at an affordable price and are perfect for getting your ride back on the road. ATK long block crate engines include: * Intake manifold * ATK High Performance aluminum cylinder heads with 2.020 in. /1.600 ex. valves * Carburetor * Distributor * Oil pan * Valve covers * Timing cover * Water pump * Harmonic balancer * Spark plugs * Spark plug wires

Not Yet Reviewed

$5,569.99

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$5,998.99

ATK High Performance GM 383 Stroker 415 HP Stage 3 Long Block Crate Engines with EFI

ATK High Performance GM 383 Stroker 415 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 383 Stroker 415 hp complete long blocks consist of: * Seasoned OE block with 4-bolt mains * Scat nodular iron crankshaft * Scat I-beam 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 EFI 4-600 hp * Spark plugs and wires * Dyno test/tune

Not Yet Reviewed

$6,098.99

ATK High Performance GM 383 Stroker 500 HP Stage 3 Long Block Crate Engines with EFI

ATK High Performance GM 383 Stroker 500 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 383 Stroker 500 hp complete long blocks consist of: * Seasoned OE block with 4-bolt mains * 4340 forged crankshaft * 4340 forged H-beam connecting rods * Forged pistons * Chromoly piston rings * Hydraulic roller camshaft * ATK aluminum cylinder heads * 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 EFI 4-600 hp * Spark plugs and wires * Dyno test/tune

Not Yet Reviewed

$8,198.99

ATK High Performance GM 383 Stroker 435 HP Stage 3 Long Block Crate Engines with EFI

ATK High Performance GM 383 Stroker 435 hp Stage 3 long block crate engines with EFI are designed for better driveability 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 383 Stroker 435 hp complete long blocks consist of: * Seasoned OE block with 4-bolt mains * OE cast crankshaft * 4340 forged I-beam connecting rods * Forged pistons * Chromoly piston rings * Hydraulic roller camshaft * Dart SHP aluminum cylinder heads * 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 EFI 4-600 hp * Spark plugs and wires * Dyno test/tune

2.0 out of 5 stars ( 1 )

$7,098.99

ATK High Performance Chevy 383 Stroker 460 HP Complete Long Block Crate Engines

Looking for an engine that puts out big power and sounds flat out NASTY!? You will find those features and more with ATK High Performance Chevy 383 Stroker 460 hp long block crate engines. Engine includes: * Carburetor: Quick Fuel 680 cfm vacuum secondary * Intake manifold: Weiand Stealth Dual Plane * Spark plugs: Autolite 3923 plugs * Harmonic balancer: PowerBond 8 in. internal balance * Fuel pump: Holley 110gph mechanical pump * Distributor: MSD GM HEI Distributor * Includes a GM long water pump Specifications: * Horsepower: 460 hp at 5,200 rpm * Torque: 490 lb.-ft. at 4,800 rpm * Block: Seasoned GM 4-bolt main with one-piece seal and passenger side dipstick * Crankshaft: Scat Nodular Iron * Connecting rods: Scat 4340 Forged I-beam with ARP 8740 bolts * Pistons: Forged * Piston rings: Moly rings * Compression ratio: 10:1 compression * Camshaft: Hydraulic roller * Camshaft specifications: 224/236 duration at .050 and .591in/.591ex lift with a 108 degree lobe separation * Cylinder heads: Dart SHP aluminum 72 cc chamber with 2.02 in. intake and 1.60 in. exhaust valves * Rocker arms: Billet 1.6 ratio aluminum roller rockers * Oil pan: Original-style 5-quart pan * Oil type: 10W30 * Recommended plug gap: 0.035 in. * Water pump: Designed to use a long water pump * Fuel type: Dyno testing was done using 91 octane fuel * A 2,500 rpm+ torque converter is recommended for best results * Engine will not produce enough vacuum for power brakes

4.67 out of 5 stars ( 3 )

$6,698.99

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

1.0 out of 5 stars ( 1 )

$3,998.99

ATK High Performance GM 383 Stroker 500 HP Stage 1 Long Block Crate Engines

Be ready for the street or the strip with ATK High Performance GM 383 Stroker 500 hp Stage 1 long block crate engines. They are built using bulletproof components and true craftsmanship to create a beast that is ready to tear up the track, but is reliable enough for the street. Producing an incredible 500 hp and 505 ft.-lbs. of tire-shedding torque, these engines will be sure to get everyone's attention at the next track day or car show. ATK GM 383 Stroker 500 hp Stage 1 long block crate engines include: * Handpicked, remanufactured block * Performance aluminum cylinder heads * 4340 forged crankshaft and H-beam connecting rods * Forged pistons * Hydraulic roller camshaft * Valve covers * Timing cover and timing set * Oil pan, pump, and pickup tube

2.0 out of 5 stars ( 1 )

$5,538.99

ATK High Performance GM 383 Stroker 500 HP Stage 3 Long Block Crate Engines

Be ready for the street or the strip with ATK High Performance GM 383 Stroker 500 hp Stage 3 long block crate engines. They are built using bulletproof components and true craftsmanship to create a beast that is ready to tear up the track, but is reliable enough for the street. Producing an incredible 500 hp and 505 ft.-lbs. of tire-shedding torque, these engines will be sure to get everyone's attention at the next track day or car show. ATK long blocks include: * Handpicked, remanufactured block * Performance aluminum cylinder heads * Intake manifold * Carburetion * 4340 forged crankshaft and H-beam connecting rods * Forged pistons * Hydraulic roller camshaft * Distributor, plug wires, and plugs * Valve covers * Timing cover and timing set * Oil pan, pump, and pickup tube * Water pump * Front damper and flexplate

5.0 out of 5 stars ( 1 )

$7,798.99

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 383 Stroker 500 HP Stage 2 Long Block Crate Engines

Be ready for the street or the strip with these ATK High Performance GM 383 Stroker 500 hp Stage 2 long block crate engines. These engines are built using bulletproof components and true craftsmanship to create a beast that is ready to tear up the track, but is reliable enough for the street. Producing an incredible 500 hp and 505 ft.-lbs. of tire-shedding torque, these engines will be sure to get everyone's attention at the next track day or car show. ATK GM 383 Stroker 500 hp Stage 2 long block crate engines include: * Handpicked, remanufactured block * Performance aluminum cylinder heads * Intake manifold * 4340 forged crankshaft and H-beam connecting rods * Forged pistons * Hydraulic roller camshaft * Distributor * Valve covers * Timing cover and timing set * Oil pan, pump, and pickup tube * Water pump * Front damper and flexplate

5.0 out of 5 stars ( 1 )

$5,998.99

ATK High Performance Chevy 383 Stroker 470 HP Mid-Dress Long Block Crate Engines

Looking for an engine that puts out big power and sounds flat out NASTY!? You will find those features and more with ATK High Performance Chevy 383 Stroker 470 hp long block crate engines. Engine includes: * Intake manifold: Weiand Stealth dual plane * Harmonic balancer: PowerBond 8 in. internal balance * Distributor: MSD GM HEI distributor * Includes a GM long water pump Specifications: * Horsepower: 470 hp at 5,200 rpm * Torque: 490 lb.-ft. at 4,800 rpm * Block: Seasoned GM 4-bolt main with one-piece seal and passenger side dipstick * Crankshaft: Scat nodular iron * Connecting rods: Scat 4340 Forged I-beam with ARP 8740 bolts * Pistons: Forged * Piston rings: Moly rings * Compression ratio: 10:1 compression * Camshaft: Hydraulic roller * Camshaft specifications: 224/236 duration at .050 and .591in/.591ex lift with a 108 degree lobe separation * Cylinder heads: Dart SHP aluminum 72 cc chamber with 2.02 in. intake and 1.60 in. exhaust valves * Rocker arms: Billet 1.6 ratio aluminum roller rockers * Oil pan: Original-style 5-quart pan * Oil type: 10W30 * Recommended plug gap: 0.035 in. * Water pump: Designed to use a long water pump * Fuel type: Dyno testing was done using 91 octane fuel * A 2,500 rpm+ torque converter is recommended for best results * Engine will not produce enough vacuum for power brakes

Not Yet Reviewed

$5,898.99

ATK High Performance GM 383 Stroker 435 HP Stage 2 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 2 long block crate engines. These mid-dressed (Stage 2) engines perform well on the street or strip and may include (among other parts) an intake manifold, carburetor, water pump, harmonic balancer/damper, and flexplate or flywheel. 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 2 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 * 375 lbs.

Not Yet Reviewed

$5,698.99

ATK High Performance GM 383 Stroker 435 HP Stage 3 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 3 long block crate engines. These fully-dressed (Stage 3) engines perform well on the street or strip and include all the Stage 2 components. They may also add in the following parts (among others): carburetion, filters, and a spark system to help 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 3 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 * 430 lbs.

4.0 out of 5 stars ( 4 )

$6,498.99

ATK High Performance GM 383 Stroker 525 HP Stage 3 Long Block Crate Engines

ATK High Performance GM 383 Stroker 525 hp Stage 3 long block crate engines are power transplants for your high performance projects. ATK Stage 3 or complete engines are designed for those that want to drop the engines into their projects and fire them up. ATK tries to outfit the engines as completely as possible to save you time and headaches. GM complete dress engines typically consist of the Stage 2 build plus carburetion, spark plug wires, and spark plugs. Engine specifications: * Horsepower: 525 * Torque: 515 * Block: OE roller block 4-bolt main one-piece seal 1996-2000 * Bore/stroke: 4.040 x 3.750 in. * Displacement: 383 * Crankshaft: Scat 4340 forged external balance rear of crank/internal balance front of the crank * Rods: Scat 4340 forged H-beam with ARP 8740 bolts * Pistons: Forged 10.2:1 compression * Rings: Moly * Camshaft: Hydraulic roller * Cam specs: 246/250 at 50 .603intake/.609exhaust 110LSA * Timing chain: Double roller * Cylinder heads: ATK American-made aluminum 70cc/210cc 2.02/1.60 * Rocker arms: Billet aluminum 1.6 roller rockers * Oil pan: Moroso 7qt. with windage tray * Oil pump: Melling * Flexplate/flywheel: Pioneer external balance 168 tooth (with Scat kit) * Balancer: PowerBond SFI internal balance 8 in. * Intake manifold: Holley strip dominator single plane * Distributor: Pro billet (iron gear) * Water pump: Weiand action plus long pump * Carburetor: Quick Fuel 750 cfm mechanical secondary no choke * Fuel pump: Holley mechanical 110 gph * Spark plugs: Autolite * Spark plug wires: 8mm

Not Yet Reviewed

$8,698.99

ATK High Performance GM 383 Stroker 525 HP Stage 2 Long Block Crate Engines

ATK High Performance GM 383 Stroker 525 hp Stage 2 long block crate engines are power transplants for your high performance projects. ATK Stage 2 or mid-dress engines are designed for builders that have their own component parts already, and who also are interested in completing the finishing touches of the build themselves. GM mid-dress engines typically consist of the Stage 1 build plus intake manifold, distributor, water pump, front damper, and flexplate. Engine specifications: * Horsepower: 525 * Torque: 515 * Block: OE roller block 4-bolt main one-piece seal 1996-2000 * Bore/stroke: 4.040 x 3.750 in. * Displacement: 383 * Crankshaft: Scat 4340 forged external balance rear of crank/internal balance front of the crank * Rods: Scat 4340 forged H-beam with ARP 8740 bolts * Pistons: Forged 10.2:1 compression * Rings: Moly * Camshaft: Hydraulic roller * Cam specs: 246/250 at 50 .603intake/.609exhaust 110LSA * Timing chain: Double roller * Cylinder heads: ATK American-made aluminum 70cc/210cc 2.02/1.60 * Rocker arms: Billet aluminum 1.6 roller rockers * Oil pan: Moroso 7qt. with windage tray * Oil pump: Melling * Flexplate/flywheel: Pioneer external balance 168 tooth (with Scat kit) * Balancer: PowerBond SFI internal balance 8 in. * Intake manifold: Holley strip dominator single plane * Distributor: Pro billet (iron gear) * Water pump: Weiand action plus long pump

Not Yet Reviewed

$7,698.99

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 383 Stroker 470 HP Base Long Block Crate Engines

Looking for an engine that puts out big power and sounds flat out NASTY!? You will find those features with ATK High Performance Chevy 383 Stroker 470 hp base long block crate engines. Engine specifications include: * Horsepower: 470 hp at 5,200 rpm * Torque: 490 lb.-ft. at 4,800 rpm * Block: Seasoned GM 4-bolt main with one-piece seal and passenger side dipstick * Crankshaft: Scat nodular iron * Connecting rods: Scat 4340 forged I-beam with ARP 8740 bolts * Pistons: Forged * Piston rings: Moly rings * Compression ratio: 10:1 compression * Camshaft: Hydraulic roller * Camshaft Specifications: 224/236 duration at .050 and .591in/.591ex lift with a 108 degree lobe separation * Cylinder heads: Dart SHP aluminum 72cc chamber with 2.02 in. intake and 1.60 in. exhaust valves * Rocker arms: Billet 1.6 ratio aluminum roller rockers * Oil pan: Original-style 5-quart pan * Engine will not produce enough vacuum for power brakes

Not Yet Reviewed

$5,198.99

ATK High Performance GM Marine 383 Stroker Mercruiser MPI Base 380 HP Long Block Crate Engines

ATK high performance GM marine 383 stroker Mercruiser MPI base 380 HP long block crate engines are remanufactured version of the Mercruiser 377CI MPFI engine with a 4.030 in. bore (383ci). It has the upgraded 4340 forged crankshaft and forged pistons along with the Mercruiser camshaft installed. It is to be used with the Mercruiser MPI system, aftermarket EFI or a carburetor conversion. This engine will make 405HP at the crankshaft and 380HP at the prop which is how Mercruiser rated their power ratings. Features: • OE roller block 4 bolt main with 1pc seal • 3.750 in. stroke • Scat 4340 forged external balance rear of crank/internal balance front of the crank • Scat 4340 forged I beam with ARP 8740 bolts • Forged 9.1:1` compression pistons • Hydraulic roller camshaft • Cam Specs: 215/220 @50 .457in/.474ex 112LSA • Single roller timing chain • Dart Vortec cast iron 67cc/165cc 2.02/1.60 • Stamped steel 1.5 rockers • Rear sump 5 qt. oil pan • Melling oil pump • Pioneer external balance 168 tooth (with Scat kit)

Not Yet Reviewed

$6,198.99

ATK High Performance GM 383 Stroker 375 HP Stage 1 Long Block Crate Engines

Pack stroker power and torque in your ride with ATK High Performance GM 383 stroker 380 hp Stage 1 long block crate engines. These engines are hand-built and balanced to ensure a strong-running, reliable engine for your daily driver or hot rod. The 460 ft.-lbs. of twist make these extremely versatile mills that are at home in a towing rig, muscle car, or street rod. Get back out on the road with the ground-pounding power that only a stroker can give you. ATK GM 383 Stroker 380 hp Stage 1 long block crate engines include: * Handpicked, remanufactured blocks * Dart Iron Vortec style cylinder heads * Nodular iron crankshaft and 4340 I-beam connecting rods * Hypereutectic pistons * Hydraulic roller camshaft * Cam lift- .495 int./.502 exh. * Cam duration at 0.50- 220 int./224 exh. * 9.5:1 compression * Valve covers * Timing cover and timing set * Oil pan, pump, and pickup tube

Not Yet Reviewed

$4,498.99

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

5.0 out of 5 stars ( 5 )

$4,417.99

ATK High Performance GM 383 Vortec 390 HP Stage 3 Long Block Crate Engines

Pack Vortec power and stroker torque in your ride with ATK High Performance GM 383 Vortec 390 hp Stage 3 long block crate engines. These engines are hand-built and balanced to ensure a strong-running, reliable engine for your daily driver or hot rod. The 460 ft.-lbs. of twist make these extremely versatile mills that are at home in a towing rig, muscle car, or street rod. Get back out on the road with the ground-pounding power that only a stroker can give you. Engine specifications: * HP: 390 * TQ: 460 * Block: OE roller block 4-bolt main 1-pc seal 1996-2000 * Bore/Stroke: 4.040 in. x 3.750 in. * Displacement: 383CI * Crankshaft: Scat nodular iron external balance rear of crank/internal balance front of the crank * Rods: Scat I Beam 5.7 in. rods with ARP 8740 bolts * 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: Dart vortec cast iron 67cc/165cc 2.02/1.60 * 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 (with scat kit) * Intake Manifold: ATK HP dual plane * Distributor: HEI (Iron Gear) * Water Pump: OE long pump * 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

Not Yet Reviewed

$5,998.99

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