Hedman Street Headers - 1.75 in Primary - 3 in Collector - Black Paint - Small Block Chevy - A-Body 1964-77 - Pair PTT-MC-VM-RCA Plug and caps designed to

Plug and caps designed to handle high pressure & high temperature - typical conditions of the cooling system

on-board filter switch to allow direct connections to ECM speed signals

and SAE Certified

Two 16 amp Accessory Ports

Built from strong forged alloy materials and self-lubricating spherical rod ends

Hedman Street Headers - 1.75 in Primary - 3 in Collector - Black Paint - Small Block Chevy - A-Body 1964-77 - Pair PTT-MC-VM-RCA Plug and caps designed toHedman Hedders Standard Uncoated Headers; 1 3 4" 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 1 3 4" Tube