43 Tooth Clutch Housing – Swing Arm BSA & Triumph Pre Unit Twins

43 Tooth single clutch housing chain wheel.

Compatible with the following models and years:

• BSA A&B Group Swinging arm models (1958+),
• Triumph Pre-Unit 500/650cc Twins with 5 plate clutch.

OEM Reference: 7-1549, 42-3266.