Seals are ground on the O.D. to insure an exact fit and are made of Buna rubber or double lip Teflon to insure longevity and years of life on your supercharger.
Seals are designed to fit the standard GM or oversize roots blower shaft size.
Seals are sold individually.
Seal measures 1.835" O.D., .370" thick and is for 1.175" or 1.312" shaft dia. Fits Littlefield, Blower Shop, Hampton, BDS, Kuhl, Kobelco, Fowler and most other GM type roots superchargers 3-71 thru 16-71.
For gas street blowers rubber seals can be used throughout but for a race blower RBS recommends the double lip Teflon seal in the front of the blower.
Standard shaft size is 1.175" where the seal rides and oversize shaft is 1.312" in dia.
Most all Folwer/Kobelco superchargers use the 1.312" shaft seal.
Racer can pick seals from drop down menu.