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 Performance Products 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. Holley's products include performance fuel pumps, fuel injection, 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, Weiand, or Earl's, Holley products can give you the edge you need over the competition.