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

Proformance Unlimited's Chevy 350 with 375hp crate engine. This engine package is ideal for daily driving or a trip cross country. Engine produced 410hp with 450ft lbs of torque. You can view this package at the following link: https://www.customcrateengines.com/engines/chevy/350-chevy-turn-key-crate-engine-with-375-hp.html | Proformance Unlimited - Custom Crate Engines | Facebook

43 reactions · 4 comments | Proformance Unlimited's Chevy 572 custom built to be installed into a '67 Chevy Camaro. This engine was designed for maximum street/strip performance on pump gas. You can view this engine package along with pricing at the following link: https://www.customcrateengines.com/engines/chevy/572-chevy-big-block-turn-key-crate-engine-with-700hp.html | Proformance Unlimited - Custom Crate Engines | Facebook