This set of shocks have 335mm Pin/Pin mounting. Suzuki GS 850 G (1979-1986). Suzuki GS 1000 G (1980-1981). Suzuki GS 1100 G (DOHC GU71A) (1982). The top pin is 14mm and the bottom is 10mm. If you require different pin/bush sizes you can easily change these to the required sizes.