Jims
JIMS, Evo compression release valve tool
JIMS, Evo compression release valve tool
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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 10x1.0mm thread tap tool must be ordered separately.
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