FX and 1986-up XL Made in Ohio

They are 1/8 inch NPT thread

and any other performance motorcycle

Note that the Fuel Reserve Bottle Carriers are sold separately

Weld on Tensioner Single Sided Mount 530 Sprocket Lens Color_Yellow FX and 1986-up XL MadeThis tensioner is used to keep the chain tight automatically, which avoids chain slap which can cause drive issues as well as damage to fenders and frames. Ready to weld on to your frame! Made in the USA. Fits 530 Chain (Standard) 13 tooth idler sprocket with sealed bearings and hardware Pin stop included to weld on if needed . 375 laser cut single sided mount for greater fitment of tight areas. Tig Welded