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Ultra Pro Street Forged Rocker Arms (1.625). R&R Ultra Pro Street roller rocker arms are machined from 4140 forgings, heat treated for high strength and maximum durability. Fits 1984 & up Evo® and T. ® engines and 1986 & up Sportster® and Buell® engines SPECS: R&R Ultra Pro Street Forged Rocker Arms – Standard 1.625 […]