Trans Dapt 2383 - Trans Dapt Plastic Phenolic Carb Spacers

Phenolic plastic material provides excellent insulating properties, resulting in a cooler, denser fuel mixture for increased horsepower. Fits Holley square bore 4 bbl. carbs. All gaskets, studs, nuts and washer are included. Choose between 1/2", 1" or 2" height, open or ported, and with or without PCV port. Will not fit AFB Carbs.