Chevrolet Performance LS3 495 HP Long Block

Chevrolet Performance LS3 495 HP Long Block

NAL-19419864
Regular price
$18,675.00
Sale price
$18,675.00
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Chevrolet Performance LS3 495 hp long block crate engines feature an impressive 495 hp at 5,570 rpm with 475 lb.-ft. of torque. The assemblies use a production bottom end and the race-tested LS "Hot" cam. With significantly more duration than the stock camshaft, the valves remain open longer allowing these engines to pull in increased amounts of clean air through the large rectangular ports. Front-end accessories, exhaust manifolds, and flywheel or flexplate must be obtained separately, along with the engine controller kit.

Specifications include:

* Compression ratio of 10.7:1
* Recommended fuel is 92 octane
* Cast aluminum block with 6-bolt cross-bolted main caps
* Nodular iron crankshaft
* Powdered metal connecting rods
* Hypereutectic aluminum pistons
* Steel hydraulic roller tappet camshaft
* Valve lift of 0.525 in. for intake and exhaust
* Duration at 0.050 in. is 219 degrees intake and 228 degrees exhaust
* Lobe separation angle is 112 degrees
* Combustion chamber volume is 68cc
* Valve diameter is 2.165 in. for the intake and 1.590 in. for exhaust
* Cast roller trunnion rocker arms with a 1.7:1 ratio
* Internally balanced
* 58x Gen IV reluctor wheel
* Maximum recommended rpm is 6,600
* Recommended torque converter stall is 2,400-2,800

Engine includes:

* Fully assembled long block
* Oil pump, pick-up and oil pan
* Intake manifold, fuel injectors and throttle body
* Harmonic balancer
* Front timing cover
* Aluminum water pump
* Oil filter and passenger side oil dipstick and tube