-10 Viton O-Ring - 2/pkg

The -10 Viton O-Ring from REDHORSE PERFORMANCE is an essential sealing component for high-performance automotive applications where fuel, oil, and coolant systems demand reliability under pressure and temperature extremes. As a mechanic who has spent years working on modified engines and custom fuel systems, I can tell you that quality seals are non-negotiable—cheap o-rings fail catastrophically, leaking fluids onto your engine bay or worse, into your combustion chamber. This two-pack provides redundancy or coverage for multiple connection points, making it ideal for builders tackling fuel rails, pressure regulators, thermostatic housings, and transmission cooler lines.

Viton (fluoroelastomer) material is the gold standard in performance automotive work because it resists degradation from synthetic oils, ethanol blends, and high-temperature swings that standard nitrile cannot handle. The -10 AN designation refers to the seal's diameter and thread port size compatibility—a size commonly found in braided stainless steel hose assemblies and aluminum manifold fittings used throughout forced induction and fuel delivery systems. Viton o-rings maintain their elasticity and sealing integrity across a wide temperature range, from sub-zero winter starts to sustained high-boost conditions where underhood temperatures regularly exceed 200°F. This makes them the choice for turbocharged, supercharged, and naturally aspirated builds where system longevity matters.

Installers of fuel systems, transmission coolers, and engine oil filtration setups will benefit most from stocking -10 Viton o-rings on the bench. Whether you're assembling a custom fuel rail for a LS swap, rebuilding a high-flow oil cooler circuit, or sealing AN hose adapters on a turbo manifold, having quality seals in your kit prevents leaks that could sideline a project or damage an engine. These o-rings are universal across domestic and import platforms—Ford, Chevy, Dodge, Honda, Nissan, and BMW builders all rely on standard AN sealing sizes. Always replace o-rings during any hose or fitting disassembly; reusing old seals invites seepage and potential fluid loss under boost or sustained throttle.