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

4.2K views · 53 reactions | 427ci small block Chevy engine. Engine features a Dart block, AFR cnc cylinder heads, electric choke carburetor, Eagle forged rotating assembly and March alt/ps pulley kit. You can view this engine package at the following link: https://www.customcrateengines.com/engines/chevy/427-small-block-chevy-turn-key-crate-engine-with-550-hp.html | Proformance Unlimited - Custom Crate Engines | Facebook