Keep your primary chain adjusted properly by installing and replacing your old worn out primary chain adjuster. We stock (2) types of primary chain adjusters for both Triumph and BSA "triples" - made in England. Correct for the T150, T160 and the A75 Rocket III from 1968-1976. Please refer to your parts book to ensure the best fitment.
Use the drop down menu to select which primary chain tensioner blade you desire - sold each
**Features**
- Made in England
- OEM part number is 57-4937, T4937, 57-4597 & T4597
- Free shipping in the USA