Chevrolet Performance LS3 6.2L 376 C.I.D 430 HP Crate Engines

LS3 6.2L Gen IV Small Block V8 Engine / 430hp / 425 lb-ft.

A Contemporary Classic - Destined to go down in history as one of Chevrolet's most versatile performance engines, the 430-hp LS3 6.2L offers a fantastic combination of modern technology! The LS3 is filled with components designed for high performance and longevity, starting with a sturdy reciprocating assembly that’s matched with L92-type rectangular-port heads and a high-lift, hydraulic roller camshaft. It all optimizes the LS3's tremendous airflow and supports a broad torque curve.

Our LS-Series LS3 crate engine comes complete, from the Camaro F-body oil pan to the ignition system. It also includes the intake manifold assembly with injectors and throttle body, water pump, balancer and 58X reluctor wheel.

TECH SPECS

• 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 12623967): 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 12623063): Hydraulic roller
• Valve Lift (in): .551 intake / .522 exhaust
• Camshaft Duration (@.050 in): 204 degree intake / 211 degree 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 12696105 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