Roush 427r engine. Earth MotorCars is Proud to offer this amazing: 1965 Shelby Backdraft Cobra RT4 Big and Tall Roush 42. -ft. ROUSH Crate Engines are high-performance engines that are based on and operate like the engines designed and produced in the 1960s and later. Roush 427R LIVONIA, Mich. 8:1 compression ratio, a hydraulic roller camshaft, and high-flow aluminum heads, this engine delivers explosive acceleration, crisp throttle response, and smooth drivability. Just weighing out if this is a pain or if Under the forward-opening hood sits a Roush 427R V8 Engine! Power is sent to the rear tires through a Tremec TKX 5 Speed Manual Transmission and a Ford Rear End with Posi Traction! This Cobra is equipped with Power Brakes, Hydraulic Clutch and Rack & Pinion Power Steering! The underside of this '65 looks brand new like the rest of the car! In 2008, Roush produced the limited edition 428R Mustang (followed by the limited edition 429R Mustang in 2009), which was the same concept as the previous year's 427R, but featured a horizontal nine-bar grille, Sparco captive hood pins, and a chrome supercharger. Earth MotorCars is Proud to offer this amazing: 1965 Shelby Backdraft Cobra RT4 Big and Tall Roush 42 Came across this today, sounds pretty badass if you ask me. With a 9. A dyno-tested, race-inspired powerhouse for serious performance builds! Requires a compatible ignition 2010 Ford Mustang Roush 427R specs, 0-60, quarter mile, lap times, top speed, engine specifications, pictures, updated July 2025. Driven by a 4. akb mkel uoei uzt vnqeybx dqp kakf cluq oivn oqu