Custom built Chevy 383 stroker engine to be installed into a '55 Chevy. Proformance Unlimited takes great pride in all of our Chevy crate engines. Whether your vehicle is a Corvette, Camaro, Nova, Chevelle, or just an early 60’s muscle car, we are here to help design and build the engine combination to match you with your vehicle. https://www.proformanceunlimited.com/chevy-engines/ | Proformance Unlimited - Custom Crate Engines

Chevy 383 small block with 500hp custom built by Proformance Unlimited. Engine features the MSD Atomic EFI unit along with dual Spectre air cleaner unit. Engine will be installed into a Chevy Impala. If you have any questions about this custom engine build, please give us a call at 800-267-3940 or visit us online at www.customcrateengines.com | Proformance Unlimited - Custom Crate Engines

Proformance Unlimited's small block Chevy 383 with 400hp and the MSD Atomic EFI. Engine also features finned valve covers, breathers and air cleaner and the March alt/ps/ac pulley kit. You can view this engine package at the following link: https://www.customcrateengines.com/engines/chevy/383-chevy-stroker-turn-key-crate-engine-with-400-hp.html | Proformance Unlimited - Custom Crate Engines

Chevy 383 SBC crate engine with 450hp custom built by Proformance Unlimited. This engine features the March alt/ps pulley kit, a zinc oil pan and a Chevy black out kit which includes black valve covers/timing cover/breathers and air cleaner. This engine will be installed into a '66 Chevelle. You can view this engine package along with available upgrades at the following link: https://www.customcrateengines.com/engines/chevy/383-chevy-stroker-turn-key-crate-engine-with-450-hp.html | Proformance U