1/4" Phenolic Insulator kit 1957-58 Tri-power Engine Performance These are not same lines

These are not same lines you buy from the other guys

Can be cleaned with soap & water

this modified airhorn is an exact copy of the correct and hard to find 1966 center

Bases are fitted with new shafts

J shaped bracket to attach to center carb

1/4" Phenolic Insulator kit 1957-58 Tri-power Engine Performance These are not same linesThis kit also fits the popular 348s, and Olds J 2 as well as the Early Pontiac's. If your tripower has three small Rochester carbs, this fits. Kit includes three precision cut insulators, set of 12 studs and new, plated nuts. Studs are made for this application not a generic piece. Studs have the correct 5 16 18 threads into intake and 5 16 24 up on top. Kit includes 6 gaskets, which you will need. Solves issues with fuel boiling in the bowls,