Hedman Street Headers - 1.625 in Primary - Stock Collector Flange - Black Paint - GM LS-Series - GM Fullsize SUV / Truck 1999-2007 - Pair 3419MB Bypass Flange W/ 3/4"-16 Threads

Bypass Flange W/ 3/4"-16 Threads

or equivalent) Requires use of Holley 302-15 Dipstick and Tube Kit or LS3 dipstick (GM P/N 12669528) and tube (GM P/N 12625031) *Engine location may need to be adjusted (up / down or fore/aft) for crossmember or steering linkage clearance depending on the vehicle

Small size for maximum mounting versatility

anodized aluminum or durable steel

Hedman Street Headers - 1.625 in Primary - Stock Collector Flange - Black Paint - GM LS-Series - GM Fullsize SUV / Truck 1999-2007 - Pair 3419MB Bypass Flange W/ 3/4"-16 ThreadsHedman 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.