Hedman Street Headers - 68-73 Chevelle / 67-81 Camaro / 69-79 Nova / 68-77 El Camino / 65-74 Bel Air/Impala MT130BK billet 6061-T651 aircraft aluminum housing

billet 6061-T651 aircraft aluminum housing

1963-1970 Chevrolet Bel Air

Flowtech innovations include their unique Afterburner headers which separated the odd firing cylinders with a velocity tube to improve scavenging

The redesigned V2 DW300 flows 26% higher at peak and 20% greater on average

4 AN Male to 10 mm x 1

Hedman Street Headers - 68-73 Chevelle / 67-81 Camaro / 69-79 Nova / 68-77 El Camino / 65-74 Bel Air/Impala MT130BK billet 6061-T651 aircraft aluminum housingHedman Hedders Standard Uncoated Headers; 1 3 4" Tube Diameter; 3" Collector; Mid 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 long and MID LENGTH tube headers for Chevy