Hedman Street Headers - 1.75 in Primary - 3 in Collector - Black Paint - Mopar B / RB-Series - Dodge Fullsize Truck / Van 1977-81 - Pair Hose Barb Fittings The lower air box retains

The lower air box retains your factory ram air scoop to keep cool air flowing for maximum power gains

Double pole switch also has #10-32 studs rated at 20 amps continuous duty

After a two step forging process

and incorporates the MPI Safety™ u-channel and double rivets technology

Hedman Street Headers - 1.75 in Primary - 3 in Collector - Black Paint - Mopar B / RB-Series - Dodge Fullsize Truck / Van 1977-81 - Pair Hose Barb Fittings The lower air box retainsHedman Hedders Standard Uncoated Headers; 1 3 4" Tube Diameter; 3" Collector; Full Length Design Hedman Hedders Painted Hedders Exhaust Header 79220 Tube Size 1. 75 in. Collector Size 3 in. w o Smog Injection Or Injection Heads Highest Quality Materials Computerized Precision Hand Tested; Sturdy Leak Proof Welds Durable And Affordable Hedman Hedders has been manufacturing quality headers and exhaust components in the USA since 1954. Hedman Hedders