Allstar Performance Positive Stop Valve Stem Seal - 3/8 in Valve Stem - 0.620 in OD - 0.531 in Guide OD - PTFE - Set of 100 11001701 18mm Double D to 1

18mm Double D to 1 in 18 Spline

Easy Install

Auto Transmission Shifter Knob Adapter

1965-1966 Oldsmobile F85

Compatible w/2-4 Pulse Ignition Signals

Allstar Performance Positive Stop Valve Stem Seal - 3/8 in Valve Stem - 0.620 in OD - 0.531 in Guide OD - PTFE - Set of 100 11001701 18mm Double D to 1Seals have spring loaded wipers for maximum oil control. Machining is required for most installations. Set of 100. Specialty items for the Shop, Trailer and Track. The Allstar Performance brand offers thousands of hard to find, specialty items that cover many segments in the performance aftermarket. For over 30 years, customers worldwide have come to rely on the quality, affordable and practical items available from Allstar Performance. Product