Jim's Six Speed Overdrive Transmission

  • Come with close ratio first gear, stock second through fifth gears and 86.1 "overdrive"      Sixth Gear

  • Available with choice of Pro-Cut or Clean-Cut gears; both types are made of 8620     steel

  • Clean-Cut gears are CNC machined; shifter dogs are machined with lead-in ramps for     better and quicker shifting

  • Pro-Cut gears are precision-machined and matched to their mating gears, then
     heat-treated, engagement dogs are precisely machined (length, width and height) to
     match the dimensions of the engaging gear; back-cut angles are optimized to lock the
     shifting dogs securely in gear

  • For use with 91-99 Evolution motors, but will fit earlier years if used with 91 or later     starter motor, clutch and inner and outer primary drive systems.

  • Require a clutch-release rod and bearing, final drive sprocket and transmission lube     UIMS recommends Bel-Ray 85-140 gear lube; all sold separately.

  • All parts are made in the U.S.A. and assembled in JIMS technologically advanced     facility.

JIM'S TRANSMISSIONS