Allstar Performance Steel Small Fill Plug Kit - 1.375 in Opening - Aluminum Cap - Silver MT100BK Adjustable sun peak

Adjustable sun peak

140 gph Free Flow

1979-1980 GMC C1500 Suburban

Provides maximum possible spark advance while preventing damaging detonation or ''ping''

750 in Plain Iron Rotor

Allstar Performance Steel Small Fill Plug Kit - 1.375 in Opening - Aluminum Cap - Silver MT100BK Adjustable sun peakKits include a weld in or bolt in bung and an easy grip O ring cap with positive seal. Kits are often used as an inspection plug or a filler plug. Small fill plugs have a 1 3 8" opening with 1 1 2" 12 threads. 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