JIMS JIMS, Evo Big Twin crankcase boring tool

Description

JIMS JIMS, Evo Big Twin crankcase boring tool

84-99 Evo B.T. cases (NU)

Used to bore Evo Big Twin cases with stock cyl. stud pattern up to 3.8125″ spigot diameter; Note: See 978640 for replacement 3/8″ cemented carbide tool bit