Chevrolet Performance LS3 525 hp long block crate engines blend the racing-derived ASA camshaft with the LS3 6.2L production engine to create a serious contender – delivering 525 horsepower at 6,300 rpm and 489 lb.-ft. of torque at 4,400 rpm. The ASA camshaft is a proven, power-building component that has been successful in the high-rpm world of circle track racing. Front accessories, exhaust manifolds, and flywheel or flexplate must be obtained separate, along with the engine controller kit.
Specifications:
* Power: 525 hp at 6300 rpm, 489 ft. lbs. of torque at 4400 RPM
* Displacement: 376 c.i.d., 6.2L
* Bore and stroke: 4.060 in. x 3.620 in.
* Compression ratio: 10.7:1
* Recommended fuel: 92 octane
* Cast aluminum block with 6-bolt cross-bolted main caps
* Nodular iron crankshaft
* Powdered metal steel connecting rods
* Hypereutectic aluminum pistons
* Hydraulic roller tappet camshaft
* Cam lift: 0.525 in. intake / 0.525 in. exhaust
* Cam duration at 0.050 in.: 226 degree intake / 236 degree exhaust
* Lobe separation angle: 110 degree
* Aluminum L92 cylinder heads
* Combustion chamber volume: 68cc
* Valves: 2.165 in. intake/ 1.590 in. exhaust
* Cast roller trunnion 1.7:1 ratio rocker arms
* Internal balance
* Includes a 58-tooth reluctor wheel
* Maximum recommended rpm: 6,600
Engine Includes:
* Oil pump, pick-up, and oil pan
* Harmonic balancer
* Front timing cover
* Oil filter
* Passenger side oil dipstick and tube