There are several Triumph motorcycle shop manuals out there

OEM # 70-3586

Brilliant Chrome Finish: Arrive with a high-quality chrome plating

NOTE: These slides only fit AMAL brand concentric carburetors

TR6C Style Exhaust Pipes for Triumph Bonneville 650 Unit or Pre-Unit - Chrome Special_Order There are several Triumph motorcycleAchieve the classic, high and tight look of a TR6C competition bike with this set of chrome exhaust pipes. A perfect choice for a new bobber or chopper build, they provide a clean solution without the hassle of restoring old, damaged pipes. Style & Dimensions: Classic TR6C competition style with a 1 3 8" outside diameter throughout. Mounting: Features dual rear mounting bungs for secure fitment. Fitment: Designed for both pre unit and unit