Roller Rocker Arms Set for Evolution, Twin Cam and Ultima Engines
Made from 4140 steel forgings, the new rocker arms are the strongest on the market today. These new arms incorporate a 1.675 ratio for increased lift and will match Ultima heads perfectly. A best value product!
Uses OE rocker shafts.
Set of 4
Fit all Harley-Davidson Evolution model engines 1984 and Later, Big Twin and XL Motors, 1999 -Later Twin Cam Engines, Ultima Engines.