JEGS Phenolic Carb Spacers

JEGS molded phenolic carb spacers are available in three heights to tune your square flange, 4150 style base, carbureted vehicle to the track or altitude conditions. Designed to lower the transfer of heat from the intake manifold to the carb for an increase in power. Includes gaskets and mounting hardware for easy installation. Not for use with stock manifolds with heat crossovers.