According to Ford Motor Company's published specs, the power output and torque figures were 375 hp at 5,200 rpm and 450 ft. pounds Boss 429 Mustang Specs. Engine 428.8 cuin/7027 cc OHV V-8, 1×4 bbl Holley carburetor Power 375 HP at 5200 RPM Torque 450 lb-ft at 3400 RPM Wheelbase 108.1 Inches Weight 3,860 lbs
