Proformance Unlimited's custom built Chevy 632. Engine dynoed at 997.9HP. This is one insane engine. You can view this engine package along with upgrades at the following link: https://www.customcrateengines.com/engines/chevy/632-chevy-big-block-turn-key-crate-engine-with-800hp.html | Proformance Unlimited - Custom Crate Engines

632CI BBC crate engine custom built by Proformance Unlimited. Engine produced 889 ft lbs of torque and 850hp @ 5,400 rpm. This engine is a beast. You can view this engine package at the following link:https://www.customcrateengines.com/engines/chevy/632-chevy-big-block-turn-key-crate-engine-with-800hp.html | Proformance Unlimited - Custom Crate Engines

632 cubic inch Chevy big block street motor with 10:0 compression built by Proformance Unlimited Inc. Engine produced 816hp 850 ft lbs of torque. Started with Dart block, forged rotating assembly, 850 CFM ultra series Holley carb., hydraulic roller cam, AFR CNC ported aluminum cylinder heads. Engine will be installed into a '69 Camaro. Contact us at 800-267-3940with any questions regarding this engine build. You can also view this engine package along with pricing at the following link: https://