Hedman Street Headers - 2 in Primary - 3 in Collector - Black Paint - Big Block Chevy - GM F-Body / X-Body 1970-81 - Pair LY22371 Using AutoMeter's universal gauge cup

Using AutoMeter's universal gauge cup

12-14 Gauge

Available in many combinations of radius

14 to 24 psi

strong and durable even under high horsepower and boosted conditions

Hedman Street Headers - 2 in Primary - 3 in Collector - Black Paint - Big Block Chevy - GM F-Body / X-Body 1970-81 - Pair LY22371 Using AutoMeter's universal gauge cupHedman 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