These Magnum Roller Rocker Arms for Ford V8 289-351W (Non Rail Type), 260-455 Oldsmobile and 290-401 AMC applications are the ultimate street rocker. With a 3/8" stud diameter and 1.6 ratio, they are designed for serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed from 8620 chromemoly steel, which is a superior material that will not flex and assures maximum lift. Their roller tip reduces friction, while stiff design and superior ratio accuracy yield more effective valve lift. With a 15 to 30 horsepower increase over other rocker arms, Magnum Roller Rockers are perfect for performance applications with less than 350 lbs. open spring pressure. Don't accept inferior products or cheap knock-offs, look for the COMP Cams logo stamped into the underside of every Magnum Rocker.
For Ford V8 289-351W (Non Rail Type), 260-455 Oldsmobile and 290-401 AMC applications; Roller tip reduces friction while stiff design and superior ratio accuracy yields more effective valve lift; 15 to 30 horsepower increase over stock rocker arms; Use in any applications with less than 350 lbs. open spring pressure; Made from 8620 chromemoly steel that will not flex
Perfect for street performance, our 8620 chromemoly steel Magnum roller tip rockers can handle up to 350 lbs of spring pressure. This 1442 rocker features a 1.6 ratio for 3/8" stud AMC 290-401, non-rail Ford 289-351W and Olds 260-455.
COMP Cams Magnum Roller Rocker Arm, 1.6 ratio, 3/8" Stud Diameter for Small Block Ford '61-'67 (Non Rail) 260-455 Oldsmobile and 290-401 AMC, Single Piece
Magnum Roller Rocker Arm w/ 1.6 Ratio for AMC, Ford and Oldsmobile w/ 3/8" Stud
Magnum Roller Rocker, FS/Olds Non-Rail
COMP Cams Magnum Roller Rocker FS/Olds
Mag Rocker 1.6 AMC,Ford,Olds 3/8S tud
Engine Rocker Arm
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