Made from high grade chrome-moly steel, lighter and three times stronger than aluminum rocker arms Trunion, valve tip roller and shaft made from chrome-moly material, heat treated to insure long life Design allows clearance for most high performance valve springs Extra large trunions for better load distribution and wear 1.6 ratio, 3/8" stud diameter
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Item# : SPM15993535424
Model # : 07-1102-16