4th Mainshaft Gear. Fits 5Spd Big Twin 1984-2006.

Features & Benefits:-

* Made from high nickel alloy, heat treated & shot-peened to give maximum durability and strength.

* Lead-in ramps machined into most gears, improve shifting & reduce wear on drive dogs & slots.

Tech Tips:-

* Due to Factory HD changes in Gear Teeth pitch over the years , Gears

must be changed in pairs ie Mainshaft with matching Counter shaft gear.