473 HP @6000 RPM
444 LB/FT @5000 RPM

LSX376-B15 Tech Specs
- Part Number: 19355575
- Engine Type: LSX-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 (P/N 19260095): LSX cast-iron with six-bolt, cross-bolted main caps
- Crankshaft (P/N 12603616): Forged steel
- Connecting Rods (P/N 12604857): Forged powdered metal
- Pistons (P/N 19259381): Forged aluminum
- Camshaft Type (P/N 12638426): Hydraulic roller
- Valve Lift (in.): 0.560 intake / 0.555 exhaust
- Camshaft Duration (@0.050 in.): 210° intake / 230° exhaust
- Cylinder Heads (P/N 19201805): LSX-LS3 rectangular port; with “as cast” 68-cc chambers/six-bolt attachment
- Valve Size (in.): 2.160 intake / 1.550 exhaust
- Compression ratio: 9.0:1
- Rocker Arms (P/N 12669995 int): Investment-cast, roll trunnion
- Rocker Arms (P/N 12681275 exh): Investment-cast, roll trunnion
- Rocker Arm Ratio: 1.7:1
- Recommended Fuel: Regular pump
- Maximum Recommended rpm: 6600
- Reluctor Wheel: 58X
- Balanced: Internal
Supports more boost
For builders who want to stretch the performance of a turbocharged or supercharged combination, the LSX376-B15 is the foundation they need.
Withstands the pressure
The LSX376-B15 is durable, and its all-forged rotating assembly supports up to 15 pounds of boost. 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.
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