JIMS, compression release valve set - All B.T., XL and Buell XB models 970139 2001-0803 do not include mounting

2001-0803 do not include mounting hardware (must be purchased separately)

For National Cycle Ranger

Each size contained in kit is also individually listed below and may be reordered in packs of 10

Perfect for custom mounting

With adjustable rider backrest

JIMS, compression release valve set - All B.T., XL and Buell XB models 970139 2001-0803 do not include mounting10x1. 0mm threaded mechanical compression release valves, for most cylinder heads. Push in the button and pressure will vent out of the valve. When the engine starts, the valves automatically close. Designedl for hard starting high compression motors. Note: MCS 978425 thread tap tool (10x1. 0mm) and 978424 drill fixture tool are separately available to aid installation in Twin Cams.