Performance LS3 6.2L Chevrolet Engine, Rated at 625hp / 575tq

Performance LS3 6.2L Chevrolet Engine, Rated at 625hp / 575tq


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As the standard engine in the fifth-generation Camaro SS and C6 Corvette, the high-revving, deep-breathing LS3 6.2L is poised to go down in history as one of Chevrolet’s best and most versatile engines. It’s no surprise that enthusiasts and builders have made it one of the most popular LS swap engines.The LS3 is filled with components designed for high performance and longevity. The aluminum block is filled with a sturdy reciprocating assembly that combines with L92-type rectangular-port heads to deliver a 10.7:1 compression ratio. A high-lift, hydraulic roller camshaft complements the LS3’s tremendous airflow capability and enhances its broad torque curve. Out-of-the-crate Horsepower is 430, with an impressive 425 lb.-ft. torque.Our LS3 crate engine comes complete from the SS-specific oil pan to the ignition system. It also includes the intake manifold assembly with injectors and throttle body, exhaust manifolds, water pump, balancer, 58x reluctor wheel and 14-inch automatic-transmission flexplate. The SS oil pan doesn’t suit all applications. Use the vehicles specific oil pan for original LS-powered vehicles or Oil Pan Kit for older vehicles.TECH SPECSPart Number: 19432414 / 19434636Engine Type: LS-Series Gen IV Small-Block V-8Displacement (cu in): 376 cu in (6.2L)Bore x Stroke (in): 4.065 x 3.622 (103.25 x 92mm)Block: Cast-aluminum with 6-bolt, cross-bolted main capsCrankshaft: Nodular ironConnecting Rods: Powdered metalPistons: Hypereutectic aluminumCamshaft Type: Hydraulic rollerValve Lift (in): .551 intake / .522 exhaustCamshaft Duration (@.050 in): 204° intake / 211° exhaustCylinder Heads: Aluminum L92-style port; as cast with 68cc chambersValve Size (in): 2.165 intake / 1.590 exhaustCompression Ratio: 10.7:1Rocker Arms Int: Investment-cast, roller trunnionRocker Arms Ext: Investment-cast, roller trunnionRocker Arm Ratio: 1.7:1Recommended Fuel: Premium pumpMaximum Recommended rpm: 6,600Reluctor Wheel: 58xBalanced: InternalINSTALLATION NOTES• Assembly does not include any electronics• Use LS3 Controller Kit, for engine operation. Kit includes electronic throttle pedal, which is required for throttle input to the ECU.• Includes Chevy F-Body wet sump oil pan• Intended for pre-1976 street vehicles or any off-road vehicle• Not intended for marine applications• Front-End Accessory Drive Kits are available in several configurations.


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