Valve Stem Seal - Positive Stop - 3/8 in Valve Stem - 0.630 in OD - 0.531 in Guide OD - PTFE - Set of 16

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Reference Information

Valve Stem Seals, Dupont Fluoroelastomer, Positive Stop, 3/8 in. Valve Stem, Set of 16

Howards Cams Ultimate Duty premium PC-type seals are made of a space-age material that is tolerant to pump gas, alcohol, and nitromethane. Temperature-tolerant to 350 degrees, they are self-lubricating and offer controlled radial tension during changes in operating temperatures. Howards Cams Ultimate Duty valve seals are color-coded and control oil while lubricating the valve guide.

Additional features include:
• Space-age DuPont fluoro-polymer material
• Design allows for very small amount of oil for guide/stem lubrication
• Install with fingers