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Welded and reinforced for use with HD springs. 1.1 ratio.
Rocker Arms, Roller tip, NR Racing Rockers machined from chrome moly steel
Rocker Arms, GX390, Shaft Mounted Roller.
Rocker Arms, GX390, Roller 1.2 , Aluminum. New Gage Design.
Black Venom Series w/Needle Bearings.