GM Performance LS3 6.2L 376/430 HP Long Block New from GM Performance Part# 19435106 OLD PART#19432422 / 19434644 Starting with the '08 Corvette, the world was first introduced to GM's latest small ...

Gone is our old 383ci small-block and in its place is a Chevrolet Performance LS376/525 all-aluminum, fuel-injected crate engine that is probably underrated at 525 hp and 475 lb-ft of torque.

The LS3 crate engine is an iteration of the V8 that boasts 430 hp and 425 lb-ft of torque. It’s manufactured by General Motors, and is frequently associated with Chevrolet. As of April 2024, the ...