rnrnFel-Pro® gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.rnrnFeatures & Benefits:Fuel Injector O-RingsrnFel-Pro fuel injector O-rings provide the properrnair-tight seal between the fuel injector and thernintake manifold, or the fuel injector and the fuelrnrail. Virtually every vehicle on the road today isrnequipped with these types of seals. Theirrnreplacement may be required due to age-relatedrnfailure, or they may be replaced during fuel injectorrnservice. Fel-Pro fuel injector O-rings provide thernproper sealing technology for these applications.