Cold-Gold Sleeve 3/4in ID x 3ft

The Cold-Gold Sleeve 3/4in ID x 3ft from HEATSHIELD PRODUCTS is a thermal barrier solution designed for engine compartment protection and high-temperature hose management. This product is essential for mechanics working with modified vehicles, providing shielding for fuel lines, brake lines, and radiator hoses that are routed near heat sources like exhaust manifolds and turbochargers.

The Cold-Gold material features a reflective metallic outer layer bonded to a dense insulation core, effectively bouncing radiant heat away while absorbing conductive heat transfer. This design helps prevent heat soak that can degrade fluid integrity, reduces on-engine temperatures, and extends the lifespan of components in aggressive builds where standard routing is unavoidable.

Builders and daily-driver modifiers will find this sleeve particularly beneficial when installing forced-induction systems or upgrading to synthetic fuels. The 3/4-inch inner diameter accommodates standard automotive hose sizes, while the 3-foot length provides ample coverage for critical runs from the engine bay toward the firewall or chassis.