CARB SPR, CARBURETOR SPACER, Carburetor Spacer #8714 Divided Center 1in Thick For 2-Plane Manifolds, Edelbrock Carb Spacer 1-Inch Divided, The Edelbrock Carburetor Spacer #8714 divided design is for use with Dual-Plane Design intake manifolds. The Edelbrock #8714 divided spacer is 1" thick and made of aluminum., Carburetor Spacer.