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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
( 4 )
$5,143.99
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
ATK High Performance Chevy Gen V LT1 416 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 plugged. Engine Specifications: * Block: New GM LT1/LT4 * Bore/Stroke: 4.065 in. x 4.000 in. * Displacement (cu.in): 416 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 +10cc or +20cc dished * 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
Edelbrock Gen V LT 416 C.I.D. Supercharged long block crate engines are capable of producing astounding horsepower and torque. These 100 percent brand new, fully assembled performance crate engines start with GM LT1 Gen V aluminum blocks and are filled with high-quality components—including Edelbrock's E-Force supercharger systems with DP-3C intercoolers. They offer dyno-proven, reliable performance right-out-of-the-crate. In fact, they're so reliable the engines include a 2-year/unlimited mileage warranty on all applications. Engine specifications: * Displacement: 416 c.i.d. * Horsepower: 851 hp * Torque: 780 lbs.-ft. * Compression: 10.5:1 * Block: GM LT1 Gen V aluminum * Crankshaft: Forged 4340 * Pistons: Forged aluminum—20cc * Rods: Forged H-beam * Camshafts: 243 degrees/254 degrees, .660/.651, 114 LSA * Rocker arms: GM LT1 Gen V * Induction: E-Force R2650 Supercharger * Cylinder heads: Edelbrock Performer RPM * Finish: Black powdercoat * Warranty: 2-year/unlimited mileage The high twist, 4-lobe R2650 rotor design is 15 percent larger than the TVS 2300 and features several improvements to maximize efficiency and performance at upper rpms. Improvements and advantages of R2650 rotors over R2300 rotors: * 170 degree twist (versus 160) * Better sealing with optimized length-to-diameter ratio * Increased durability with larger bearings and timing gears * Pressure relief ports in bearing plate for reduced input power * 4 percent more efficient * 15 percent larger displacement * 18 percent less input power required * 25 percent more airflow at 18,000 rpm and 14 psi boost (2.0 pressure ratio)
Not Yet Reviewed
$35,627.95
Chevrolet Performance LT4 6.2L supercharged wet sump crate engines are engineered for supremacy. These powerhouses are the heart of the Corvette Z06 and feature 1.7L Eaton R1740 TVS superchargers spinning up to 20,000 rpm--enough to generate more than 9 lbs. of boost, along with big horsepower and torque. These LT4 long blocks have several unique features designed to support their higher output and the greater cylinder pressures created by forced induction. They include Rotocast A356 T-6 aluminum cylinder heads that are stronger and handle heat better than conventional castings, lightweight titanium intake valves, and stronger forged aluminum pistons. Technical specs: * Engine type: Gen V small block V8 * Displacement: 376 c.i.d. * Bore x stroke: 4.065 in. x 3.622 in. * Block: Cast aluminum with 6-bolt, cross-bolted main caps * Crankshaft: Forged steel * Connecting rods: Forged powdered metal steel * Pistons: Forged aluminum * Compression ratio: 10.0:1 * Camshaft type: Hydraulic roller * Valve lift: .492 in. intake/.551 in. exhaust * Camshaft duration (at .050 in.): 189 degrees intake/223 degrees exhaust * Cylinder heads: A356 T-6 Rotocast aluminum, as-cast with 65.5cc chambers * Valve size: 2.130 in. intake/1.590 in. exhaust * Recommended fuel: Premium pump * Maximum recommended rpm: 6,600 * Please note: Assembly does not include any electronics
( 2 )
$20,946.52
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