Jomar Performance
Holly 500 - 1/2" Phenolic 2-hole Carburetor Spacer
Model 5010 - Holley 4150 - 1" Phenolic "OPEN" Plenum Carb. Spacer
Model 5015 - Holley 750 - 1" Phenolic 4-Hole Carb. Spacer - STRAIGHT Bores
Model 5015-X - Holley 750 - 1" Phenolic "POWER CONE" Carb Spacer for 750 CFM Holley 4150
Model 5016 - Holley 850 - 1" Phenolic 4-hole Carb Spacer - STRAIGHT bores