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Chevrolet Performance LSX376-B15

Chevrolet Performance LSX376-B15

Chevrolet Performance LSX376-B15

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Original Price: $9,110.00


For builders who want to stretch the performance of a turbocharged or supercharged combination, Chevrolet Performance’s LSX376-B15 is the foundation they need! Its durable, all-forged rotating assembly supports up to 15 pounds of boost. Our ratings of 473 hp and 444 lb.-ft. are only an indication for what the engine is capable of and additionally, the engine is topped off with high-flow, LSX-LS3 6-bolt rectangular-port heads to create an affordable foundation for supercharged and turbocharged combinations. We deliver the LSX376-B15 without an intake manifold and other accessories, allowing you to tailor the induction system and other features to suit the forced induction setup of your choice. Chevy’s horsepower and torque ratings are based on testing with the production-style, normally aspirated fuel injection system. The power you make with a supercharger or turbo will vary.

Engine LSX376-B15
Horsepower 473HP @ 6000RPM
Torque 444FT/LBS @ 5000RPM
Compression Ratio 9:1
Block LSX cast-iron with 6-bolt, cross-bolted main caps
Crankshaft Forged 4340 steel, 3.622″
Heads LSX-LS3 rectangular port; with as cast 68cc chambers & 6-bolt attachment
Valves 2.16″/1.55″
Camshaft Lift 0.560″/0.555″ Hydraulic Roller
Dur. @ 0.050″ 210°/230°


  •  Item Requires Shipping
  •  450.0 lbs.
  •  W37.3000” x H41.0000” x L41.8000”

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