Heat Sleeve Silicone FGW 3.0 Inch X 1 Foot Specifically designed for use in

Specifically designed for use in conjunction with the factory thermostat housing

Bypass valve (OEM required) has a stiffer spring and a rubber seal

Keep your GM rear differential running cool and clean with an upgraded cover from PPE

Available in 2 inch

The Allison transmission has a reputation for performance and longevity

Heat Sleeve Silicone FGW 3.0 Inch X 1 Foot Specifically designed for use inHigh horsepower engines create excessive amounts of heat. Protect all your sensitive hoses, wires and cables from heat damage with PPE Heat Sleeves. Made from silicone coated, woven fiberglass material, these sleeves are capable of withstanding 500 degrees on a consistent basis, with short excursions to 2200 degrees. Heat Sleeves should be used anywhere sensitive items, such as vacuum boost lines, fuel lines, electrical wiring, or coolant hoses come