1999-2007 GM HD Heat/Sound Insulator Firewall Black (149000105) Exterior Styling>Tool Storage Four bushing capture washers

Four bushing capture washers

ensuring the front axle remains properly centered and the steering remains tight and responsive

The IFP separates the shock oil from the high-pressure nitrogen

This version includes our Formline cast stainless exhaust manifolds with a high-performance Black Ceramic Coating to significantly reduce engine bay temperatures

1999-2007 GM HD Heat/Sound Insulator Firewall Black (149000105) Exterior Styling>Tool Storage Four bushing capture washersDescription Diesel engines throw a lot of heat, especially when towing, racing, or sitting in traffic. Replace your tattered factory firewall insulation with PPE's custom fit Insulator Firewall to put a real barrier between you and that heat. Features Custom fit replacement for 1999 2007 Duramax Ceramic fiber core between woven silicone fiberglass and woven silica panels Temperature resistance up to 1,290 degrees Merrowed stainless steel wire edging