Components to address soft late shifts, 3rd clutch burn-up, rough 1-2, excess passing gear and late shifts.
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TransGo SK 400 Shift Kit

TransGo SK 400 Shift Kit


Shift Kit

Transmission Info:

  • THM400: 1964-1992
  • 3L80: 1992-1993

This part fits:

  • Rolls-Royce Silver Spirit (1981-1991)
  • Rolls-Royce Silver Spur (1981-1991)
  • Rolls-Royce Corniche II (1986-1991)
  • Excalibur Phaeton (1965-1989)
  • Rolls-Royce Camargue (1975-1987)
  • Rolls-Royce Corniche (1971-1985)
  • Cadillac Commercial Chassis (1964-1983)
  • Buick Electra (1964-1981)
  • Buick LeSabre (1964-1981)
  • Rolls-Royce Silver Shadow II (1977-1980)

Other Product Numbers:

  • 000388886
  • 388886
  • DEK34908
  • K34908
  • TM46975
  • 000388886
  • 13409
  • 1340901
  • 1340901AR
  • 13A-0334

About Us

Transmaxx is the global leader in transmission and driveline-related solutions. Transmaxx is dedicated to providing customers with outstanding service, offering the broadest product catalog and best-in-class distribution of quality OE, aftermarket parts, and premium remanufactured products. Comprehensive offering includes automatic and standard transmission units, transmission rebuild kits and components, remanufactured torque converters, hard parts, valve bodies, differentials, transfer case kits and components, and more.