COMP Cams Teflon Valve Seals - 5/16 Shrink Sleeve Tubing They have a female 1/8"

They have a female 1/8" NPT for adding any AED Fuel Pressure Gauges

Steel mounts allow a CT525 crate or other LS series engine to fit in most circle track cars

3/4 in 36 Spline to 3/4 in 30 Spline

finished look from the outside

COMP Cams Teflon Valve Seals - 5/16 Shrink Sleeve Tubing They have a female 1/8"COMP's Positive Stop PTFE valve seals offer more clearance for dual springs with better sealing than O ring or umbrella seals. These 513 seals have a . 600" outer diameter and fit applications with 5 16" valves and . 600" OD valve guides. The COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development. One thing COMP Cams has never forgotten: Performance is defined by what