Clutch Hub. Fits Big Twin 1984-1989 with H-D 4-Bolt Clutch.

Features & Benefits:-

* Updated stronger billet version of the original cast alloy unit

* Replaces OEM # 37550-84

* Suggest Additional Purchase Clutch Hub Bearing # EMP-A-37906-84

Tech Tips:-

* Re-enforcement ring fits over the rear part of the hub were it slides over the mainshaft.

Suggest Additional Purchase:

Clutch Hub Bearing # EMP-A-37906-84

Clutch Hub Nut # BCM-7128

Clutch Plates # B-306-30-20017 or E1-BT-9

Clutch Adjuster Plate # B-504-00-01089

Heavy Duty Clutch Spring # B-502-00-01073

Clutch Basket # BAI-D17-0089