Chevrolet Performance LSX376-B8 Crate Engine

Brand: Chevrolet Performance

Part Number: 19332312

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LSX376-B8 Chevy Performance Crate Engine

476 hp @ 5,900 rpm / 475 lb.-ft. @ 4,700 rpm

 

Build Boost on a Budget

Chevrolet Performance takes the economical LSX Bowtie standard-deck block, adds blower-friendly 9.0:1 forged pistons and combines them with the LS3’s high-flow, rectangular-port heads. This creates the Chevy LSX376-B8 performance short block crate engine, an affordable foundation for supercharged and turbocharged combinations.

The GM LSX376-B8 is designed for lower-boost applications, up to about 8 pounds. That’s suitable for most supercharger and turbo kits that are designed to be used with production-based applications. This engine is delivered without an intake manifold and other accessories to enable the installer to tailor the induction system to suit the blower or turbo system. Our 476 hp and 475 torque ratings are based on testing with the production-style, normally aspirated fuel injection system. Horsepower and torque will vary with a supercharger or turbo system.

LSX376-B8 Chevy Performance Crate Engine

476 hp @ 5,900 rpm / 475 lb.-ft. @ 4,700 rpm

 



 

Build Boost on a Budget

Chevrolet Performance takes the economical LSX Bowtie standard-deck block, adds blower-friendly 9.0:1 forged pistons and combines them with the LS3’s high-flow, rectangular-port heads. This creates the Chevy LSX376-B8 performance short block crate engine, an affordable foundation for supercharged and turbocharged combinations.

The GM LSX376-B8 is designed for lower-boost applications, up to about 8 pounds. That’s suitable for most supercharger and turbo kits that are designed to be used with production-based applications. This engine is delivered without an intake manifold and other accessories to enable the installer to tailor the induction system to suit the blower or turbo system. Our 476 hp and 475 torque ratings are based on testing with the production-style, normally aspirated fuel injection system. Horsepower and torque will vary with a supercharger or turbo system.

 

19332312 Chevrolet Crate Motor

LSX376-B8 Tech Specs:
Part Number: 19260831
Engine Type: LSX-Series Gen IV Small-Block V-8
Displacement (cu in): 376 cu in (6.2L)
Bore x Stroke (in): 4.065 x 3.622 (103.25 x 92 mm)
Block (P/N 19260832): LSX cast-iron with 6-bolt, cross-bolted main caps
Crankshaft (P/N 12597569): Nodular iron
Connecting Rods (P/N 12649190): Powdered metal
Pistons (P/N 19244016): Forged aluminum
Camshaft Type (P/N 12603063): Hydraulic roller
Valve Lift (in): 0.551" intake / 0.522" exhaust
Camshaft Duration (@0.050 in): 204° intake / 211° exhaust
Cylinder Heads (P/N 12629063): LS3 rectangular port; with “as cast” 68cc chambers
Valve Size (in): 2.160 intake / 1.590 exhaust
Compression ratio: 9.0:1
Rocker Arms (P/N 12569167 int): Investment-cast, roll trunnion
Rocker Arms (P/N 10214664 exh): Investment-cast, roll trunnion
Rocker Arm Ratio: 1.7:1
Recommended Fuel: Regular Pump
Maximum Recommended RPM: 6,600
Reluctor Wheel: 58x
Balanced: Internal

 

Recommended Transmission:  SuperMatic™ 4L85-E Four-Speed Automatic P/N 19300175

 

Installation Notes:
• Assembly does not include any electronics
• Intended for pre-1976 street vehicles or any off-road vehicle
• Not intended for marine applications
• Requires LSX Ignition Controller P/N 19171130 for carbureted applications
• Standard LS 6-bolt crank flange
• Assembly shipped without intake manifold or oil pan (dust shield installed for shipment)
• Recommended max boost - 8 PSI

 

Chevrolet Performance Crate Engines include a 24-month or 50,000-mile (80,000 kilometer) limited warranty.

Click here for more detailed warranty information.




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