Spectre · New
Spectre Carburetor Adapter (Spread Bore to Square Bore)
MPN 5765 · Store SKU spe5765
Supplier stock checked 11/8/2026, 6:44:12 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
The Spectre Carburetor Adapter comes with a universal open spacer and a 4 hole insert spacer. This adapter is designed to allow you to adapt a Holley, Edelbrock or Carter/AFB 4 barrel carburetor to a Quadrajet intake manifold. The outer plate has been manufactured with precision die cast aluminum so that the adapter is durable, fits great and looks good. The carburetor spacer is designed to increase power by raising air/fuel velocity as it enters into the intake manifold. The adapter comes with the necessary gaskets and hardware for a quick and easy installation. The Spectre Carburetor Adapter comes with a universal open spacer and a 4 hole insert spacer. This adapter is designed to allow you to adapt a Holley, Edelbrock or Carter/AFB 4 barrel carburetor to a Quadrajet intake manifold. CARB ADAPTER SPREAD BORE TO SQUARE BORE CARB Adapter
Manufacturer fitment & guides
Check 5765 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y
