Chevrolet Performance, formerly known as GM, has been creating high quality performance parts since the 60s. JEGS is the place to get Chevrolet Performance crate engines and crate motors, from the OE replacement 350 crate engine to the big block 572 crate motor with 720 horsepower. Chevrolet Performance Parts engines have a 2-year/50,000-mile warranty. If you prefer to assemble your own engine, all of the parts required to complete a build or upgrade are available at JEGS. We offer the best prices on Chevrolet Performance Parts, and most are in stock to ship the same day you order!