Proformance Unlimited's custom built Chevy 383 with 450hp crate engine to be installed into a '71 Caprice. All of our engines are custom built to order. Engine produced 466hp and 500ft lbs of torque on the dyno. You can view our Chevy crate engines at the following link: www.proformanceunlimited.com/chevy-engines/ | Proformance Unlimited - Custom Crate Engines

427 SBC crate engine custom built by Proformance Unlimited. Engine features a fully forged rotating assembly, new Dart engine block, CNC AFR cylinder heads, fully rollerized stainless rockers Edelbrock intake manifold, MSD billet distributor, 1 piece pushrods, FAST EZ EFI and a custom ground hydraulic roller camshaft designed by us. Engine produced 585hp and 575 ft lbs of torque. Engine will be installed into a '69 Pontiac LeMans. You can view this engine package along with upgrades available at