Hedman Street Headers - 68-73 Chevelle / 67-81 Camaro / 69-79 Nova / 68-77 El Camino / 65-74 Bel Air/Impala 23011606 and 1/8"NPT fittings

and 1/8"NPT fittings

C2500 1986-1979

a division of Axle Exchange

Lower Rod - 27">/p>INSTALLATION INSTRUCTIONS

higher valve spring pressures and higher engine rpm

Hedman Street Headers - 68-73 Chevelle / 67-81 Camaro / 69-79 Nova / 68-77 El Camino / 65-74 Bel Air/Impala 23011606 and 1/8"NPT fittingsHedman 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