DEI Vapor Block Sleeve - 5/8" or Less Fuel Line Sizes - 36" Long - Silver AA0112EG2T54 1984-1991 GMC C3500

1984-1991 GMC C3500

1971-1977 GMC Sprint

75" diameter and

3 Way Discharge

Derale In-Line Fluid Thermostat 10 AN 180 35022

DEI Vapor Block Sleeve - 5/8" or Less Fuel Line Sizes - 36" Long - Silver AA0112EG2T54 1984-1991 GMC C3500Vapor Block Fuel Line Sleeve Vapor Block solves the problem of fuel and other fluids boiling from extreme heat and causing a vapor lock situation. Prevent rough idling and difficult starting caused by vapor lock with DEI Vapor Block. Vapor Block fuel line sleeve was specifically developed to prevent vapor lock in fuel systems by greatly reducing heat in the line to keep fuel cooler and below boiling. Vapor Block installs easily with a split design and