Allstar Performance Aluminum Small Fill Plug Kit - 1.375 in Opening - Black 2020004 Bolts to head and water

Bolts to head and water pump

Head and Neck Support Compartment

and more ****Not Compatible with 90 Degree Ceramic Plug Wire Boots****

dark smoke and Iridium shields pictured (Sold Separately)

producing a flatter flow curve

Allstar Performance Aluminum Small Fill Plug Kit - 1.375 in Opening - Black 2020004 Bolts to head and waterKits 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