Ratio Forged Rockers Type 1 1.25 EMPIRatio Forged Rocker Arms Type 1 1. 25 EMPI Forged rocker arm assemblies with bronze bushings Suit a mild street motor or Hi performance engine Made from forged chromoly and the precision ground and heat treated Drilled through on the alloy adjusting screws so both the screws and rocker arms are fully lubricated All shafts, blocks and shims are made from high strength alloys Chromoly rocker arm studs are provided to complete this kit Note: requires cut