Set of COMP Cams 1.6 Ratio 3/8" Stud Magnum Roller Rocker Arms for 1965-1967 Mustangs with a 289, 302 or 351W Engine.These Magnum Roller Rocker Arms for AMC V8 290-401; Ford V8 289-302-351W (Non Rail) 1961-67; and Oldsmobile V8 260-455 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.
*Sold in a set of 16.
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Can i use stock valve covers or do I need tall valve covers for these rocker arms? Thanks
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