EARL’S stocks “O” ring seals in both the traditional BUNA N synthetic rubber and in VITON®. The BUNA compound is compatible with most fuels, hydraulic fluids, and lubricants up to a temperature limit of 275°F. VITON® is preferred for synthetic lubricants, oxygen bearing fuels and additives, and non-ether based brake fluids. VITON® also has more scuff resistance, a longer service life, and a higher temperature rating of 400°F. (Viton® is a registered trademark of DuPont Performance Elastomers)
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Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR® Sprint® Cup team and nearly every NHRA® Pro–Stock champion for four decades. Now, Holley EFI is dominating the performance world as well as our products for GM's LS engine. Holley's products also include performance fuel pumps, intake manifolds & engine dress–up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies - Hooker Headers, Flowtech Headers, NOS Nitrous, Weiand, Earl's Performance Plumbing, or Diablosport - Holley products can give you the edge you need over the competition.