Drill fixture tool. Used to machine Twin Cam heads so heads will accept the JIMS mechanical compression release valves (MCS 978426). Tool installs on front or rear head; with or without valves installed. Simply drill; spot face; tap and compression release valves can be installed. Note: 978425 10×1.0mm thread tap tool must be ordered separately.
JIMS, Evo compression release valve tool
€735.70
99-17 Twin Cam (Excl. Twin Cooled heads) (NU)