S&S, rocker arm & shaft kit, Kucklehead & KN - 40-47(NU)Knucklehead; All S&S KN (Knuckle style) engines 952464 All are made in-house by

All are made in-house by hand in small quantities ensuring exclusivity

swingarm and wheel

Cast reinforced heavy duty aluminum construction

Allows you to mount Motoscope Tiny series analog speedometers on handlebars

S&S, rocker arm & shaft kit, Kucklehead & KN - 40-47(NU)Knucklehead; All S&S KN (Knuckle style) engines 952464 All are made in-house byStock 1: 1 rocker ratio. Will fit stock 40 47 Knucklehead and is stock replacement for S&S KN series engines. Note: S&S rocker arms & shafts must be used as a kit. S&S rocker arms are not compatible with stock shafts. S&S shafts are not compatible with stock rocker arms. Note: See 531976 for replacement rocker set only for this 531975 kit.