Stat-o-seals are manufactured with BUNA N rubber which is compatible with Unleaded, Alcohol and Ethanol fuels. Washer thickness is 1.5mm (1/16").
Please ensure you have checked the parts you are ordering are 100% correct for your application. Due to the fact all items are special ordered from Aeroflow returns will only be accepted if a product is sent out incorrectly or if it is a warranty issue.
For more information on how our ordering works please check here.