Zipper Red Shift® 509S Cams for Shovelhead®
descriptionRed Shift 509S Shovelhead Cam for 1974-1984 Models
509S: 74”-84” Shovelhead high output cam. Best with 9.5+:1 compression, ported heads and high flow carb. Extra-wide torque curve with great horsepower numbers. Solid or aftermarket hydraulic lifters required.
509S: 74”-84” Shovelhead high output cam. Best with 9.5+:1 compression, ported heads and high flow carb. Extra-wide torque curve with great horsepower numbers. Solid or aftermarket hydraulic lifters required.
