The LSA engine was nearly twice as expensive as the LS3 when it was still available as a crate engine from Chevrolet Performance; at $14,006 for the long block compared to $7,760 for the LS3.

So, how much does an LS3 crate engine cost? Currently, GM Performance Motor are selling LS3 crate engines for $9,679 – although don't underestimate the costs of actually fitting and plumbing in ...

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 ...