Aeroflow Replacement Aeroflow Valve Locks/Keepers AF59-4405 Roll Over Valve This spacer requires no silicone

This spacer requires no silicone sealer with its use of an O-ring for better sealing capabilities and new bolts required for installation included

Part Number: AR154-2004

Part Number: AF49-1600

and increase 91 octane fuel to 116 octane race gas levels allowing full power all the time

Aeroflow Replacement Aeroflow Valve Locks/Keepers AF59-4405 Roll Over Valve This spacer requires no siliconeReplacement Aeroflow Valve Locks Keepers Suit BB Chrysler, With 11 32" Stem (Set of 32) Brand: AEROFLOW Part Number: AF59 4405 Description: Replacement Valve Locks. Valve Stem locks to suit Aeroflow Performance Chrysler Big Block cylinder heads, partnumber AF95 2440. Kit has enough for two heads.