Hedman Elite Ultra-Duty Headers - 1.625 in Primary - 3 in Collector - Metallic Ceramic - Small Block Chevy - GM Fullsize SUV / Truck 1967-91 69830 - Pair Race Radios & Components Eight ventilation holes for use

Eight ventilation holes for use with Stilo Helmets Top Air systems

Mustang II / Pinto 1974-80

Fully rebuildable design and proudly assembled in the USA

Left Helical Right Cutting Design

JOES Nitrogen Transfer Hose is used to transfer nitrogen between two bottles

Hedman Elite Ultra-Duty Headers - 1.625 in Primary - 3 in Collector - Metallic Ceramic - Small Block Chevy - GM Fullsize SUV / Truck 1967-91 69830 - Pair Race Radios & Components Eight ventilation holes for useHedman Hedders Elite Headers; 1 5 8" Tube Diameter; 3" Collector; Full Length Design Hedman Hedders Elite Hedders Exhaust Header 69830 Tube Size 1 5 8 in. Collector Size 3 in. Tubular Exhaust Manifold System w o Smog Injection Or Injection Heads Ultra Duty 14 Gauge Primary Tubes Ceramic Metallic Coating Stands Temp. Up To 1400 F Durable 3 8 in. Flanges Prevent Warping And Stands Up Better Against Brutal Punishment Durable And Affordable Hedman Hedders