SPP Carburetor Adapter – Square Bore To Spread Bore, Fits Holley & Quadrajet, Includes Hardware (066S)

Mixing and matching carbs and manifolds?

This SPP adapter lets you bolt a spread bore carb (like a Quadrajet) onto a square bore intake—or vice versa.

Works with Holley, Edelbrock, and Q-Jet setups.

Natural finish, includes all the mounting hardware, no chasing extra parts.

Interchanges with Mr Gasket 1932.

MPN 066S, brand new in packaging, backed by manufacturer warranty.

If you’re building a classic, swapping intakes, or just sick of vacuum leaks, this little plate is the fix.

Simple install, solid seal, keeps your air-fuel mix where it belongs.