U Bolt Shackle Left Hand Thread used up to 1957.
This is the left shackle that is used on all models up to 1957 with the greaseable shackles. The shackles are complete with the bushings and seals.
On MB, GPW, M38, M38A1 and CJ models 2 are required (Left Front and Right Rear) and on Truck, Station Wagon, Sedan Delivery models 1 is Required (Note it only fits Wagon and Delivery models with the 2 front springs).