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The Edelbrock spread‑bore adapter #2692 mounts 4‑barrel Rochester Quadrajet carburetors to square‑bore single‑plane intake manifolds, providing correct offset and sealing for retrofit installations. With a 0.750‑inch thickness it preserves proper carburetor spacing and helps integrate Quadrajet carbs with Edelbrock single‑plane intake designs.
Edelbrock Spread-Bore Adapter
