Primary Drive

Sprocket Shaft Oil Seal used behind primary engine sprocket and rotor. Installed in engine case. Sold (Each) Installation Tool to make...

Grade 9 Primary Front Sprocket Nut

Through Hardened Washer for Engine Sproket Nut.

All 03 and older Big Dogs with a conventional primary. Synthetic rubber bonded to aluminum Kits include all of the necessary gaskets, seals, O rings...

This kit repalces the  legacy type main shaft race, needle bearing and bearing seal. Harley part #34091-85 inner bearing race has been used on...

82 Link Primary Drive chain for 04 and older Left Side Drive Big Dogs with stock Primary drive. 24 or 25 tooth engine sprocket and 37 tooth Chain...

One Piece hardened construction helps to prevent breakage common with high compression engines Eliminates the inner primary support bushing that...