Bores are tapered in to adapt the wider TBI unit to the narrow Holley edelbrock pattern 4bl manifold. This is very important many adapters don't have this feature. when it is really the adapter. High quality felt base gasket and Felpro TBI gasket.
Intake manifold adapter Chevy TBI Fuel injection to 4 barrel manifold Holley USA
1set Intake Manifold Adapter For Chevy TBI Fuel Injection to 4Barrel Manifold
For Chevy Intake Manifold Adapter TBI Fuel Injection to 4Barrel Manifold Holley
Walker Products 18004 (R-2 TBI) Fuel Injection Throttle Body Repair Kit
TANKS INC TM34U-T 1971-72 CHEVROLET CHEVY CHEVELLE FUEL INJECTION GAS FUEL TANK
1957-1965 Chevy Corvette Fuel Injection Pump Shaft & Viton Seal Install Kit
