GM Performance LSX 376-B15 Crate Engine 473HP

LSX 376-B15 Crate Engine 473HP

Chevrolet Performance CPP LSX 376-B15 long block crate engines allow builders to stretch the performance of turbocharged or supercharged combinations. This Chevrolet Performance CPP long block engine is built to handle 15 lbs. of boost, and combines an all-forged rotating assembly with LSX-LS3 6-bolt rectangular port heads to create an affordable foundation for power. 

• Engine type: LSX-Series Gen IV small block V8
• Displacement: 376 c.i.d.
• Bore x stroke: 4.065 x 3.622 (103.25 x 92mm)
• Block: LSX cast iron with 6-bolt cross-bolted main caps
• Crankshaft: Forged steel
• Connecting rods: Forged powdered metal
• Pistons: Forged aluminum
• Camshaft type: Hydraulic roller
• Valve lift: .560 intake/.555 exhaust
• Camshaft duration (@ 0.050 in.): 210 degrees intake/230 degrees exhaust
• Cylinder heads: LSX-LS3 rectangular port with "as-cast" 68cc chambers and 6-bolt attachment
• Valve size: 2.160 intake/1.550 exhaust
• Compression ratio: 9:1
• Rocker arms: Investment-cast roller trunnion
• Rocker arm ratio: 1.7:1
• Recommended fuel: Regular pump
• Maximum recommended rpm: 6600
• Reluctor wheel: 58X
• Balanced: Internal
• Part Number: 19417356

Note:  Designed for pre-1976 street vehicles or any off-road vehicle, except marine applications. Engines installed in vehicles registered and normally operated outside of the United States carry no warranty.