Triumph / BSA "Triples" 4-Speed High Gear Oil Seal (1) - 57-3634 - T150 / A75 Type Fits BSA 650 unit twins

Fits BSA 650 unit twins from 1971-1972

5:1 3TA piston and we also stock the 9:1 T90 pistons

New Norton Interstate mufflers

82-4861 or 70-9138

**Features** Made in the UK by Andover Norton

Triumph / BSA "Triples" 4-Speed High Gear Oil Seal (1) - 57-3634 - T150 / A75 Type Fits BSA 650 unit twinsNew Triumph & BSA "Triples" 4 speed high gear oil seal. Seal will replace part numbers 57 3634 & T3634. Fits both Triumph & BSA T150 & A75 models with the proper 4 speed gear box. Please refer to your parts catalog for correct fitment. Please note that this seal is sold each as pictured **Features** Made in England O. E. M Part number is 57 3634 & T3634