* Also upgrades Big Twin 1958-1986 to heavy duty late style bearing.
Tech Tips:-
* Note: Do not reuse the old retaining ring that secures this bearing.
* This bearing requires a new retaining ring # HD11177A.
* Never use # 11177 retaining ring to secure this bearing, Reusing an old retaining ring or a # 11177 retaining ring could cause damage to bearing and pinion shaft.
