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Edelbrock Thermo-Quad carburetor adapter (#2691) mounts four-barrel Carter Thermo-Quad carburetors to square-bore, single-plane intake manifolds. The 0.750-inch thick adapter provides proper spacing and sealing between carburetor and manifold, letting you use Thermo-Quad units where bolt pattern and bore shape differ. It’s a simple way to adapt Thermo-Quad carburetors to compatible intake runners.
Edelbrock Thermo-Quad Adapter
