Comp Cams 5/16 PTFE SEAL WASH & WHIPS XLS 1977 Ford F-250 XLT

XLS 1977 Ford F-250 XLT 1977 - 1982 Ford F-350 Base

Do not use any liquid (soapy water or install sprays) during the process

Rear:Rubber Damper Camber Adjustment Front: Yes

Intake Duration @

Comp Cams 5/16 PTFE SEAL WASH & WHIPS XLS 1977 Ford F-250 XLTCOMP Cams offers a complete line of valve stem seals, from the stock GM "O Ring" to the positive stop PTFE seal. These seals are 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, in the case of a double spring, the positive stop PTFE seal is