Crate Engine, LS376/525HP, GMPP, Chevrolet, GM # 19435104

Chevrolet Performance LS376/525 6.2L Crate Engine Genuine GM®

525-hp LS3-based crate engine uses an ASA-derived hydraulic roller cam and L92-style aluminum heads.

Genuine GM® Chevrolet Performance LS376/525 is a 376ci (6.2L) Gen IV LS crate engine rated at 525 hp and 486 lb-ft. It combines an aluminum block, L92-style 68cc heads, 10.7:1 compression and an ASA-derived hydraulic-roller cam (.525/.525 lift; 226/236° at .050). Throttle body, water pump, balancer, coils, wires and spark plugs are included; controller is separate.

Additional Technical Specifications • GM Part Number: 19432418 / 19434642 • Engine Type: LS-Series Gen IV Small-Block V-8 • Horsepower: 525 hp • Maximum recommended rpm: 6600 rpm • Displacement (cu in): 376 cu in (6.2L) • Bore x Stroke (in): 4.065 x 3.622 (103.25 x 92mm) • Block (P/N 12623967): Cast aluminum with 6-bolt, cross-bolted main caps • Crankshaft (P/N 12597569): Nodular iron • Connecting Rods (P/N 12607475): Powdered metal • Pistons (P/N 19207287): Hypereutectic aluminum • Camshaft Type (P/N 88958770): Hydraulic roller • Valve Lift (in): 0.525 intake / 0.525 exhaust • Camshaft Duration (@0.050 in): 226° intake / 236° exhaust • Cylinder Heads (P/N 12629063): Aluminum L92-style port; as cast with 68cc chambers • Valve Size (in): 2.165 intake / 1.590 exhaust • Compression ratio: 10.7:1 • Rocker Arms (P/N 12669995 int): Investment cast, roll trunnion • Rocker Arms (P/N 12669993 exh): Investment cast, roll trunnion • Rocker Arm Ratio: 1.7:1 • Recommended Fuel: Premium pump • Reluctor Wheel: 58x • Balanced: Internal