Hedman Black Maxx Headers - 1.75 in Primary - 3 in Collector - Black Ceramic - GM Fullsize SUV / Truck 1967-87 (Pair) 34001-27351-CBR When we designed the Extreme

When we designed the Extreme Performance 16

Indexing positions the ground strap of the spark plug properly for best piston dome clearance and un-shrouds the electrode for a more even burn and possible gains of 5-15 horsepower

And Quieter Than Ever

825" base thread length

MSD Custom Spark Plug Wire Set 31773 Black Super Conductor 8

Hedman Black Maxx Headers - 1.75 in Primary - 3 in Collector - Black Ceramic - GM Fullsize SUV / Truck 1967-87 (Pair) 34001-27351-CBR When we designed the ExtremeProduct Description: Headers Black Maxx 1. 75 in Primary 3 in Collector Gaskets Hardware Included Steel Black Ceramic GM Fullsize SUV Truck 1967 87 Pair Hedman Hedders, began as a one man shop in 1954. Bob Hedman, founder of Hedman Hedders, sold his highly sought after exhaust tubes to fellow racers on the salt flats of the Mojave Desert. But, what started out as a way to make a few bucks to pay for Bobs racing hobby, quickly turned into the premier