Aluminium Roller Rocker Set 1.6 Ratio (3/8" Stud Mount) Suit SB Chev

Rid your engine of internalfriction with roller-tipped rocker arms. The race-proven full needle bearing, fulcrum and roller tip not only unleash horsepower, they also lengthen valve train componentlife and reduce wear and tear on valve stem tips. Precision machined to insure consistencyand ratio accuracy. 16 extruded aluminum roller rockers and 16 poly locks.