Valve Stem Oil Seals, Positive Stop Tefflon CO513-16 Product:Suit 5/16" Valve, .500" Guide, .600" O.D This is an asset when

This is an asset when you've got a modified engine

AR260-4701

The simple design facilitates easy usage in vehicles where other tools are incapable of reaching the tight spaces

quicker response and less pressure creep than competing two-port designs

Valve Stem Oil Seals, Positive Stop Tefflon CO513-16 Product:Suit 5/16" Valve, .500" Guide, .600" O.D This is an asset whenValve Stem Oil Seals, Positive Stop Tefflon 513 16 CO513 16 Suit 5 16" Valve, . 500" Guide, . 600" O. D VALVE STEM OIL SEALS, 5 16" Comp Cams offers a complete line of valve stem seals, a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The O ring seals use the standard retainer and oil splash shield. The umbrella seal is normally used when a larger than stock diameter spring is used, and in the