GM Performance 6.2L LS3 Crate Engine 430 HP

Chevrolet Performance LS3 Long-Block Crate Engine 19434644

This new LS long block from Chevrolet Performance offers builders all the performance capabilities of the complete crate engines, but at a lower cost and with fewer components, for those who want to finish off their engine with their own intake manifold and other accessories.

LS3 (P/N 19434644) — Based on the production LS3 engine, this engine uses L92-style rectangular-port heads to produce 430 hp and 425 lb-ft. with the production intake manifold and other accessories.

Each new long-block assembly is delivered without the intake manifold, throttle body, fuel rail, injectors, exhaust manifold, or other accessories. Mix and match the parts to take your LS performance engine to the next level.

• Crate Engine
• 376 Cubic Inch - 430 HP
• GM LS-Series
• Sold as Each 
• Part Number: 19434644

Specifications