Edelbrock Carburetor Spacer - Open 2" Spacer - Black Phenolic Plastic 4704323-10 filter neglect can be the

filter neglect can be the most costly

Block ports have 3/8"-24 threads that accept 3/16" inverted flare style fittings

GM A-Body 1964-74

R3500 1991-1987Vehicle Applications: Chevrolet Blazer 1974-1969

Simply loosen the lock nut and turn to adjust

Edelbrock Carburetor Spacer - Open 2" Spacer - Black Phenolic Plastic 4704323-10 filter neglect can be theUse open spacers where more plenum volume or more carb to plenum floor distance is required. 4 hole spacers enhance low rpm torque and throttle response and dampen reversion effects on the carb. The superior heat insulating properties of wood fiber laminate are ideal for reducing heat transfer to the carb. 8713, Edelbrock, Spacer, adapter, Carb adapter, Carburetor adapter, standard flange, square Bore. 4 barrel, 4 hole spacer, 4 hole, intake manifold,