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Crate Engines, Short Blocks, Engine & Transmission Combos

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ATK High Performance Chevy Gen V LT1 376 Short Blocks

ATK High Performance Chevy Gen V LT1 376 short blocks are built for naturally aspirated engines, boost or nitrous. ATK starts with a new GM LT block and outfits it with a Manley 4340 forged crankshaft, H-beam rods with ARP2000 bolts, Manley 2618 forged pistons and Total Seal CS AP ring package with steel top rings. These short blocks will have the factory piston squirters installed. Engine Specifications: * Block: New GM LT1/LT4 * Bore/Stroke: 4.065 in. x 3.622 in. * Displacement (cu.in): 376 c.i.d. * Crankshaft: Manley 4340 forged 58-tooth reluctor wheel * Rods: Manley 4340 forged H-beam 6.125 in. ARP 2000 bolts * Pistons: Choice of 2618 forged +12cc dished or -2cc domed * Rings: Total Seal CS AP steel top ring with Napier 2nd ring set * Camshaft bearings: Installed and clocked to OEM position * Freeze plugs: Installed and sealed * Oil galley plugs: Installed and sealed Recommended Components: * Balancer -- Internal balance * Flex plate / Flywheel -- Internal balance * Head gasket: .051 in. or per application * Oil pump: Factory Engine Info: * Oil: 5W30 non-synthetic for first 3,000 miles * Oil filter: Wix or K&N, per application

Not Yet Reviewed

$6,998.99

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

ATK High Performance Ford 502 515 HP Stage 2 Long Block Crate Engines

ATK High Performance Ford 502 515 hp Stage 2 long block crate engines use a smaller camshaft which will have a slightly smoother idle and has vacuum for power brakes. 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 Ford 502 515 hp Stage 2 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

Not Yet Reviewed

$8,798.99

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

5.0 out of 5 stars ( 4 )

$5,143.99

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