New Triumph twins exhaust camshaft tach drive thimble. This tach drive thimble screws into the end of your Triumph exhaust camshaft. Replaces Triumph part number 70-9988 and E9988.
Correct for Triumph 500, 650 and 750 twins (Bonneville, T120R, Tiger, TR6, T140) from approx 1970-1977. Check your parts book to ensure the best fitment.
**Features**
- Made in England
- Replaces part number 70-9988 and E9988