Seals-It Air Cleaner Nut / Seal 5/16In-18 Carb3002

Wehrs Machine Air Cleaner Nut 5/16In Thread Wm273125Air Cleaner Nut - Thumb Screw - 5/16-18 in Thread - O-Ring - Aluminum - Black Anodized - Each

Sweet O-Ring Carb Nut Alum. 5/16-18 901-10151Air Cleaner Nut - 5/16-18 in Threads - Black Rubber Seal - Aluminum - Natural - Each

Manley 5/16In Viton Valve Seals .420In 24040-8Valve Stem Seal - 5/16 in Valve Stem - 0.420 Guide OD - Viton - Set of 8

Manley 5/16In Valve Guide Seal Cutter 41510Valve Guide Cutter - Cuts 0.420 in OD - 5/16 in Pilot - Carbide Steel - Each

Comp Cams 5/16In Teflon Valve Stem Seals 500-16Valve Stem Seal - Positive Stop - 5/16 in Valve Stem - 0.530 in Guide - PTFE - Set of 16