GM Performance 6.2L LS3 Crate Engine 430 HP
This LS3 long block crate engine from GM Performance is rated at 430 HP with the production intake manifold, part number 19434644. See the full description below for specifications and included parts.
Browse more GM LS / LT crate engines or compare dressing levels in our long block vs short block guide. Ships for a flat $75 to any US state (shipping policy). Read our LS3 engine specs and versions.
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
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