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Increase the RPM potential of your engine and get more power. EMPI's rocker shaft kits help to eliminate rocker shaft side play that causes rocker arm galling, clip and washer failure. 21-2309-0 includes precision ground high strength shafts, with solid steel center spacer and shims. All necessary h..

Increase the RPM potential of your engine and get more power. EMPI's rocker shaft kits help to eliminate rocker shaft side play that causes rocker arm galling, clip and washer failure. These rocker shafts can be used with the stock rocker arms or 1.25 ratio rocker arms, and are perfect for swivel ..