FTI Viton Valve Seals - .311" x .500"
Designed for .500" diameter knurled valve guides
Fits 5/16" or 8mm valve stems and most aftermarket spring seats
Radial spring loaded Viton seal material with steel shell to locate on the valve guide
Direct fit for most aftermarket small diameter dual and triple spring packages
Outside shell diameter: .540"-.545" nominal
MADE IN THE USA
Sold 16 per package
PART NUMBER: FTI-VS-311-500-16
