Aluminum Carb Adapter Only Holley to Quadrajet Q-Jet and Spreadbore [2692] which can create excessive amounts

which can create excessive amounts of vacuum and pressure in the oil pan

Get up to four degrees of timing adjustment with Speedmaster adjustable timing pointers

The precise design of these Speedmaster carburetor spacers provides a smooth transition of fuel from the carburetor to the intake manifold

Speedmaster shirts are the perfect way to let everyone know where you go for high performance aftermarket parts and accessories

Aluminum Carb Adapter Only Holley to Quadrajet Q-Jet and Spreadbore [2692] which can create excessive amountsSpeedmaster carburetor adapters are designed to allow you to mount most any carburetor on most any manifold, to save you the expense of buying a different manifold or carburetor. Made from high quality cast aluminum, these adapters provide a smooth transition from carb to intake for trouble free operation.