Adapter Spacer - 80013/ 90013 to 426 Hemi

The Adapter Spacer - 80013/90013 to 426 Hemi is a precision engine adapter designed to bridge older intake manifold platforms to the legendary 426 Hemi engine block. This spacer is essential for builders and mechanics undertaking engine swaps, restorations, or performance upgrades where vintage fuel delivery systems must mate with modern Hemi architecture. Whether you're restoring a classic muscle car or building a period-correct hot rod, this adapter eliminates the guesswork of incompatible bolt patterns and ensures proper fuel system integration without costly custom fabrication.

Manufactured by Professional Products, this adapter spacer maintains precise machining tolerances to guarantee leak-free sealing and proper fuel delivery pressure consistency. The compact design—measuring 5.05 by 2.25 by 6.85 inches and weighing just 0.62 pounds—allows for tight engine bay installations without sacrificing accessibility or clearance. The spacer's minimal weight and strategic placement preserve engine balance while eliminating vibration that can result from mismatched manifold connections, ensuring reliable performance across idle, cruise, and wide-open throttle conditions.

Serious enthusiasts, professional engine builders, and restoration shops rely on this adapter for seamless 80013/90013-to-426 Hemi conversions. It's particularly valuable when upgrading carburetor or fuel injection systems on older platforms, eliminating port misalignment that would otherwise require expensive manifold modifications. Installation is straightforward for experienced mechanics—simply position the spacer between the intake manifold and Hemi head, torque fasteners to specification, and verify fuel delivery. Compatibility with both carbureted and fuel-injected setups makes this a versatile solution for any Hemi swap project demanding professional results.