Availability
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
( 5 )
$3,625.99
Replace your old, tired mill with ATK High Performance Ford 302 300 hp Stage 2 long block crate engines to give your old ride new life. These engines are designed to be perfect replacements for your old 302, but with a bit more kick. The upgraded engines produce 300 hp and 336 ft.-lbs., while still maintaining a smooth idle and great driving manner. These mills are perfect for daily drivers or mild-mannered street rods. Ford 302 300 hp Stage 2 long block crate engines feature: * Handpicked, remanufactured blocks * OE cast iron cylinder heads * Intake manifold * OE crankshaft and connecting rods * Hypereutectic pistons * Hydraulic roller camshaft * Cam lift- .498 int./.498 exh. * Cam duration @ 0.50- 219 int./219 exh. * 9.0:1 compression * Distributor * Valve covers * Timing cover and timing set * Oil pan, pump, and pickup tube * Water pump * Front damper and flexplate
( 4 )
$4,210.99
Give your truck a breath of fresh life with ATK High Performance GM 350 TBI 290 hp Stage 1 long block crate engines. These engines are designed to replace your old tired mill with a fresh unit that has a little bit more kick. These engines feature upgraded internals to help them pump out 290 hp and 370 ft.-lbs. of twist that will get your pickup or muscle truck moving. ATK GM 350 TBI 290 hp Stage 1 long block crate engines include: * Handpicked, remanufactured blocks * OE cast iron TBI cylinder heads * OE crankshaft and connecting rods * Hypereutectic pistons * Hydraulic roller camshaft * Valve covers * Timing cover and timing set * Oil pan, pump, and pickup tube
( 6 )
$3,034.99
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
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 )
$3,998.99
Street cruisers really can't ask for more than they'll find in ATK high performance Chrysler 360 320 hp Stage 3 long block crate engines. They're packed with the finest, well-matched components, so you can drop the engine into your project and fire it up. ATK has outfitted the blocks as completely as possible to save you time and headaches. These complete Stage 3 long blocks typically include carburetion, spark plug wires, and plugs. ATK Chrysler 360 engines include: * Seasoned OE Magnum block * OE-cast crankshaft * OE steel connecting rods * Hypereutectic pistons * Piston rings * Hydraulic roller camshaft * Magnum 65cc cylinder heads * Steel rocker arms 1.6 pedestal * Brass freeze plugs installed and sealed * Oil galley plugs installed and sealed
( 2 )
$5,798.99
ATK High Performance Chrysler 360 Magnum 320 hp Stage 3 long block crate engines with EFI are perfect for a street cruiser, and offer great street ability, stock idle, and good power. 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. Plus they are dyno-tested with your EFI system and ready to go! These Stage 3 engines with EFI set your vehicle up for better drivability and trouble-free cold starts with no tuning required, regardless of elevation, driving habits, or part swap! Typically ATK Chrysler 360 Magnum 320 hp complete EFI 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 * Oil pan, oil pump and pick-up tube * Valve covers * Flexplate * Performance intake manifold * Distributor * Stock water pump * Front damper * FiTech Go Street EFI 400 hp * Spark plugs and wires * Dyno test/tune
( 2 )
$5,898.99
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
On Sale
ATK High Performance Engines offers GM 350 Vortec bare blocks with the following specifications: * Block: 100 percent new bare block with one-piece rear main seal * Bore: 4.000 in. (4.0003-4.0008 in. -- Pistons size vary, final honing may be required) * Maximum bore: 4.060 in. recommended * Displacement: 350 cu. in. * Main journal type: Chevy 350 * Engine block material: Premium iron alloy * Engine block style: Aftermarket, based off the Vortec 350 roller block * Engine block deck height: Standard deck * Engine oiling system: Priority main * Fuel pump boss: Yes * Main bolt style: 4-bolt * Main caps included: Yes * Main cap material: Cast iron * Main cap fasteners included: Yes * Main bearings included: No * Camshaft bearings: Dura-Bond, installed and clocked to OEM position * Freeze plugs: Brass, installed and sealed * Oil galley plugs: Installed and sealed * Roller camshaft compatible: Yes * Stroker clearanced: Yes, but the assembler must always check, as components differ
Not Yet Reviewed
$1,898.99
$1,698.99
On Sale
ATK offers select parts for your build, including cylinder heads. They use them in their engine combinations and are available to complete your small block Ford engine or upgrade existing components. ATK High Performance 205cc SBF aluminum cylinder head features: * A356 aluminum construction * Stainless steel intake and exhaust valves * Manganese Bronze valve guides * Viton® valve seal * Powder meatal valve seats * Steel retainers with 7-degree bead lock keepers * Spark plug dimensions: 14mm x .750 in. with gasket seat * Head bolt diameter: 1/2 in.
Not Yet Reviewed
$698.99
$648.99
On Sale
ATK offers select parts for your build, including cylinder heads. They use them in their engine combinations and are available to complete your big block Chevy engine or upgrade existing components. ATK High Performance 315cc BBC cylinder head features: * A356 aluminum construction * Stainless steel intake and exhaust valves * Manganese Bronze valve guides * Viton® valve seal * Powder meatal valve seats * Steel retainers with 10-degree locks * Spark plug dimensions: 14mm x .708 in. with gasket seat
Not Yet Reviewed
$1,048.99
$998.99
ATK offers select parts for your build, including cylinder heads. They use them in their engine combinations and are available to complete your small block Ford engine or upgrade existing components. ATK High Performance 185cc SBF aluminum cylinder head features: * A356 aluminum construction * Stainless steel intake and exhaust valves * Manganese Bronze valve guides * Viton® valve seal * Powder meatal valve seats * Steel retainers with 7-degree bead lock keepers * Spark plug dimensions: 14mm x .750 in. with gasket seat * Head bolt diameter: 1/2 in.
Not Yet Reviewed
$648.99
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