Hedman Street Headers - 2 in Primary - 3 in Collector - Black Paint - Big Block Chevy - GM F-Body / X-Body 1967-74 - Pair 920014 5/16 in-3/8 in Hose Barb

5/16 in-3/8 in Hose Barb

There are two easy to read rotary dials that let you set the launch rpm in 100 rpm increments

Alcohol / E85 / Gas

Upper body 39mm

1957-1958 International A132

Hedman Street Headers - 2 in Primary - 3 in Collector - Black Paint - Big Block Chevy - GM F-Body / X-Body 1967-74 - Pair 920014 5/16 in-3/8 in Hose BarbHedman Hedders Standard Uncoated Headers; 2" Tube Diameter; 3" Collector; Full Length Design After more than 50 years of manufacturing Hedders using mild steel materials, Hedman Hedders, announces the introduction of performance Hedders manufactured using Type 304 stainless steel flanges and primary tubes. Hedman Hedders Painted Hedders Exhaust Hedder 65001 Tube Size 2 in. Collector Size 3 in. w o Smog Injection Or Injection Heads Highest Quality