Hedman Street Headers - 65-82 Corvette H778C01L Gauges feature an 1/8" NPT

Gauges feature an 1/8" NPT male fitting

The 304S HP-2 "Shorties" feature a ready-to-polish 304S outer shell

020 in / 1

035 in Feeler Gauges

This design gives you strong toe rods that greatly improves performance

Hedman Street Headers - 65-82 Corvette H778C01L Gauges feature an 1/8" NPTHedman Hedders Standard Uncoated Headers; 2" 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 and exhaust components in the USA since 1954. Hedman Hedders Standard Uncoated Headers 2" Tube