Allstar Performance Cap and Plug Fitting - Crossover Plugs - GM LS-Series (Pair) HSSML11SAS Whatever your street stock choice

Whatever your street stock choice

1988-1991 Oldsmobile Cutlass Calais

375" Reach

Blue Paint

1985-1988 Pontiac Sunburst

Allstar Performance Cap and Plug Fitting - Crossover Plugs - GM LS-Series (Pair) HSSML11SAS Whatever your street stock choicePlugs provide a location to bleed air from cooling system of most GM LS engines. Replace factory original plugs or use in place of factory crossover steam tubes. Kit includes two plugs with O rings. 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