Hedman Street Headers - 1.625 to 2 in Primary - 3 in Collector - Black Paint - Pontiac V8 - Pontiac A-Body / F-Body - Pair 37017MK This new height allowed for

This new height allowed for larger radius air entries which were optimized using Computational Fluid Dynamics (CFD) software to deliver smoother flow into new fully machined

Cap is red anodized

Steel / Polyurethane

Despite its advanced design

Edelbrock has been delivering the best combination of dyno proven electronic fuel injection performance for over 40 years

Hedman Street Headers - 1.625 to 2 in Primary - 3 in Collector - Black Paint - Pontiac V8 - Pontiac A-Body / F-Body - Pair 37017MK This new height allowed forHedman Hedders Standard Uncoated Headers; 1 5 8 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 in the USA since 1954, and they've been manufacturing long and MID LENGTH tube headers for