Testing the SP383 small-block crate engine at Westech Performance where it made 437 hp and 444 lb-ft of torque right out of the crate.

For example, Dodge HEMI crate engines, available through Direct Connection, come with as much as 1,500 horsepower down to the 383-hp 345 (5.7L). Chevrolet and Ford offer a similar range of options ...

Chevy is highlighting its new LT4 crate engine by stuffing one into a beautifully modified 1970 Camaro RS for the 2015 SEMA Show. It's just one of the latest additions into the Chevy Performance ...

Westech Performance dyno tests a 383-inch stroker budget small-block pump-gas engine topped with three two-barrel Rochester carbs on a custom tunnel ram and makes over 400 hp!