Allstar Performance Aluminum Large Fill Plug Kit - 3 in Opening - Silver R03J015XXL Idle speed position screw and

Idle speed position screw and idle speed spring

These are a direct performance bolt on upgrade

2SFI - BBC/BBF Dry Sump Diaper

1957-1958 Ford Del Rio Wagon

1979-1990 GMC G2500

Allstar Performance Aluminum Large Fill Plug Kit - 3 in Opening - Silver R03J015XXL Idle speed position screw andKits include a weld in bung and an easy grip O ring cap with positive seal. Kits are often used as an inspection plug or a filler plug. Large fill plugs have a 3" opening. 3" 12 thread. 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