Mr. Gasket Aluminum Carburetor Adapter - Converts Holley 2 BBL to Quadrajet 4 BBL Intake Manifold Daystar These are a must if

These are a must if you use the Swindell bleeders or Conroy design

Expanded Designs to accommodate (1 or 2 x 4150) & (1 or 2 x 4500) carbureted applications

1973-1986 Pontiac Firebird

The inertia weight has six (2-ring design) or eight (3-ring design) computer machined grooves to retain the proper durometer O-rings (dyno tested for each application)

Mr. Gasket Aluminum Carburetor Adapter - Converts Holley 2 BBL to Quadrajet 4 BBL Intake Manifold Daystar These are a must ifAdapts Holley 350 500 2bbl carburetor to quadrajet bolt pattern. Measures 1 1 8" nominal height of adapter only w o gasket. These carburetor adapter kits install quickly and easily. Gaskets, studs, nuts and washers are included. Adapters are made of diecast aluminum. Product Description: Carburetor Adapter 1. 125 in Thick Open Holley 2 Barrel to Spread Bore Gaskets Hardware Included Aluminum Natural Sold Individually Using his own '57 Chevy as a