Saturn Overdrive Kit for Dana 18, 27 Tooth, 1941-1971, Willys and JeepThis all range overdrive is a great addition to any of the early model Jeeps from 1941 1971 with the Model Dana 18 transfer case. The addition of this 25% overdrive unit offers you the needed gearing the early Jeeps were lacking. The Saturn overdrive is a fully synchronized unit that can be shifted on the fly in any of the 3 gears, this essentially gives you 6 gears. When installing the unit, only minor modifications are required to the floorboard for

Available in stock height or +2

Original moulded radiator hose for bottom mounted radiators

Plastic ivory horn button center

Willys MB (1941-1945) w/ 1-1/4″ button

New reproduction fiberglass rear splash pan

This windshield has appropriate holes in the bottom for windshield wiper arms

New reproduction output shaft bearing cup (2 required per vehicle)

ready for a great paint job

It also reduces "flex" of the chassis frame in diverse terrain

Pressure Plate and Clutch Release Bearing

Wagoneer & J-Series (1965-1969) w/ 2WD

This is an excellent reproduction and direct fit