Chevrolet Performance 19419866 LS376/525 LS Crate Engine, 525 HP

With Chevrolet Performance’s aggressive ASA camshaft installed in the LS3 6.2L engine, it comes alive with 525 uncompromising horsepower.

Take-no-prisoner performance
The ASA camshaft is a hydraulic roller with .525-inch lift on both sides, along with 226 degrees duration on the intake side and 236 degrees on the exhaust side. And for durability, Chevrolet Performance complement the cam with higher-rate valve springs.

LS376-525 Tech Specs
Engine Type: LS-Series Gen-IV Small-Block V-8
Displacement (cu. in.): 376 (6.2L)
Bore x Stroke (in.): 4.065 x 3.622 (103.25 x 92 mm)
Block: Cast aluminum with six-bolt, cross-bolted main caps
Crankshaft: Nodular iron
Connecting Rods: Powdered metal
Pistons: Hypereutectic aluminum
Camshaft Type: Hydraulic roller
Valve Lift (in.): 0.525 intake / 0.525 exhaust
Camshaft Duration (@0.050 in.): 226° intake / 236° exhaust
Cylinder Heads: Aluminum L92-style port; “as cast” with 68-cc chambers
Valve Size (in.): 2.165 intake / 1.590 exhaust
Compression ratio: 10.7:1
Rocker Arms (int): Investment-cast, roll trunnion
Rocker Arms (exh): Investment-cast, roll trunnion
Rocker Arm Ratio: 1.7:1
Recommended Fuel: Premium pump
Maximum Recommended rpm: 6600
Reluctor Wheel: 58X
Balanced: Internal