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

Fuel-injected ferocity 

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

LS376/480 Crate Engine Specifications (PDF)