Horsepower: 525 HP

Torque: 486 LB-FT 

A Bigger Cam for Great Performance

LS long-blocks from Chevrolet Performance offer the core capabilities of complete crate engines at a low cost, allowing builders to finish the assembly their way. The LS376/525 long block is delivered without the intake manifold, coil packs, water pump, exhaust manifolds or other accessories.

INSTALLATION NOTES

• Assembly does not include any electronics
• Use LS376/525 Engine Controller Kit for engine operation, P/N 19354332
• Includes Camaro F-body wet sump oil pan
• Not intended for marine applications
• Front-End Accessory Drive Kits are available in several configurations
• Does not include exhaust manifolds or flexplate/flywheel

TECH SPECS

• Part Number: 19540157
• 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 92mm)
• Block (P/N 12729604): Cast aluminum with 6-bolt, cross-bolted main caps
• Crankshaft (P/N 12736808): Nodular iron
• Connecting Rods (P/N 12649190): Powdered metal
• Pistons (P/N 19207287): Hypereutectic aluminum
• Camshaft Type (P/N 88958770): Hydraulic roller
• Valve Lift (in): .525 intake / .525 exhaust
• Camshaft Duration (@.050 in): 226° intake / 236° exhaust
• Cylinder Heads (P/N 12675871): 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, roller trunnion
• Rocker Arms (P/N 12681275 exh): Investment-cast, roller trunnion
• Rocker Arm Ratio: 1.7:1
• Recommended Fuel: Premium pump
• Maximum Recommended rpm: 6,600
• Reluctor Wheel: 58x
• Balanced: Internal