Exact duplicates of the large rocker shaft nuts. They feature the low profile design of the original counterparts.

Hard to find rocker arms and shafts remanufactured by S&S. These high quality rocker components are the same as S&S uses in the KN- Series engines, and will fit stock Knucklehead engines as well since they feature the the stock 1:1 rocker ratio. Each complete set comprises four rocker arms, rocker shafts, washers, spacers and special O-ring seals. The shafts are also available separately but are not compatible with stock rocker arms.

Exact reproductions of the stock Knucklehead oil feed lines which connect the gear cover with the rocker housings.

Reproductions of Knucklehead style cylinder heads, cast from aluminum. The advantages of this material are obvious: besides the significant weight savings of approx. 4 kg per head, they dissipate heat much better than their cast iron counterparts. That's why the Motor Company implemented aluminum heads on the follow-up Panhead series....