Hedman Street Headers - 1.75 in Primary - 3 in Collector - Black Paint - Oldsmobile V8 - Cutlass 1978-81 - Pair 11182AB Large Weave Carbon Mix Shell

Large Weave Carbon Mix Shell for Super Lightweight Shell

Sport-Comp Elite

G-Flow ventilation with Top vents

00 in Bolt Circle

Every Competition Engineering Kit has been designed to fit the specific application with only minor modifications necessary for installation

Hedman Street Headers - 1.75 in Primary - 3 in Collector - Black Paint - Oldsmobile V8 - Cutlass 1978-81 - Pair 11182AB Large Weave Carbon Mix ShellHedman 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