This kit is brand new, includes the latest Fabric reinforced Nitrile Diaphragm, compatible with all modern fuels & lubricants including ethanol based petrols & Synthetic oils.
Kit includes pivot pin, clips, filter screen and spring for rocker-arm
4" Diameter diaphragm with 10 screw holes
As used in:
Allis Chalmers E60 Power units; 1940-47 with pump No. 1539444