S&S, rocker arm & shaft kit, Kucklehead & KN - 40-47(NU)Knucklehead; All S&S KN (Knuckle style) engines 943255 when the spark plug is

when the spark plug is working

Vision: Up to +30% more light*

the JETTson in collaps with 13 1/2 gives the Skull bucket helmet

Next to that you are supporting our small independent chopper shop

Note: The ECE approved Bandit Jet helmets are bigger than the non-approved variants

S&S, rocker arm & shaft kit, Kucklehead & KN - 40-47(NU)Knucklehead; All S&S KN (Knuckle style) engines 943255 when the spark plug isStock 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.