Boss 9 Kaase 429 engine project that Proformance Unlimited has been designing and gathering parts for over a year. Engine features Kaase cylinder heads and intake, Concept 1 pulley kit, forged rotating assembly, solid roller cam, aluminum block and a lot more hand selected parts. Engine will be installed into a '70 Ford Mustang. Produced 766hp @ 5,800rpm and 725 ft lbs of torque. If you are interested in this engine build, please give us a call at 800-267-3940. You can view our Ford crate engine
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