Hedman Street Headers - 84-91 Corvette 2070140 but will require final sizing

but will require final sizing and a valve job to match the valves you will be using

2-5/8 in Gauges

Impala 1985-1975

alcohol and oil

Hedman Street Headers - 84-91 Corvette 2070140 but will require final sizingHedman Hedders Standard Uncoated Headers; 1 5 8" Tube Diameter; 3" Collector; Full Length Design Hedman's Standard duty, Uncoated Hedders are manufactured using 18 gauge, mandrel bent primary tubes (some models built using thicker 16 or 14 gauge tubing), and 1 4 flanges (some models use 3 8" flanges). Hedman Hedders has been manufacturing quality headers in the USA since 1954, and they've been manufacturing Headers for Chevy Corvettes for decades.