Roller Rocker Arms Set for Harley Evolution Twin Cam and Ultima Engines
Made from 4140 steel forgings, these new rocker arms are some of the strongest on the market today. They incorporate a 1.675 ratio for increased lift and will match Ultima heads perfectly. Comes in a set of four, this is one of the best values around. Fits all Harley Davidson Evolution model engines from 1984 and later, Big Twin and XL Motors from 1999 and later, and Twin Cam and Ultima engines.
Roller Rocker Arms Set for Harley Evolution Twin Cam and Ultima Engines features:
- Uses OE rocker shafts
- Set of four