EMpi Hi-pERfORMAnCE ROCkER SHAfT kiTS 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. P/N: 21-2309 includes precision ground high strength shafts, with solid steel center spacer and shims. P/N: .
21-2309 EMPI Hi-Performance/High Strength Rocker Shaft Kit