Hedman Street Headers - 1.625 in Primary - Stock Collector Flange - Black Paint - GM LS-Series - GM Fullsize SUV / Truck 1999-2007 - Pair Fuel Additive Digital reception however

Digital reception however

Durable reinforced steel core and graphite composite gaskets remain soft and pliable to conform to header and head surfaces

Timing sets are also available -

including boost pressure

Boost / Pyrometer / Transmission Temperature

Hedman Street Headers - 1.625 in Primary - Stock Collector Flange - Black Paint - GM LS-Series - GM Fullsize SUV / Truck 1999-2007 - Pair Fuel Additive Digital reception howeverHedman Hedders Standard Uncoated Headers; 1 5 8" Tube Diameter; Stock Collector; Shorty Design Hedman Hedders Painted Hedders Exhaust Header 69690 Tube Size 1 5 8 in. Highest Quality Materials Computerized Precision Hand Tested; Sturdy Leak Proof Welds Durable And Affordable Hedman Hedders has been manufacturing quality headers in the USA since 1954, and they've been manufacturing long and MID LENGTH tube headers for Chevy trucks for nearly as long.