Hedman Street Headers - 1.5 in Primary - 3 in Collector - Black Paint - Small Block Chevy - GM Fullsize SUV / Truck 1955-66 - Pair Parts & Accessories Sprint Car & Open Wheel Catalog Adjusts from 15" to 24"

Adjusts from 15" to 24"

Extensive tests conducted by Manley on their Severe Duty Stainless Steel Valves have determined the superior strength and fatique resistance of their XH-428 exhaust valves and NK-844 intake valves

Oil Filler Extension

including air intake tubes

Allows control over On-The-Fly Adjustment Options

Hedman Street Headers - 1.5 in Primary - 3 in Collector - Black Paint - Small Block Chevy - GM Fullsize SUV / Truck 1955-66 - Pair Parts & Accessories Sprint Car & Open Wheel Catalog Adjusts from 15" to 24"Hedman Hedders Standard Uncoated Headers; 1 1 2" Tube Diameter; 3" Collector; Full Length Design Hedman Hedders Painted Hedders Exhaust Header 69260 Tube Size 1. 5 in. Collector Size 3 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