Watch this Summit Racing Quick Flicks video to learn how your header’s primary diameter affects performance. You will learn some basic rules for how to choose the best header primary size for your application.
Share this Article
Author: OnAllCylinders Staff
Since OnAllCylinders is powered by Summit Racing, we have a vast bench of in-house technical experts and professional writers that regularly contribute to our blog. From racing to off-roading, classic cars to motorcycles, the OnAllCylinders staff roster is packed with automotive enthusiasts just like you.
Great info! Too bad I didn’t know more about this in the late 60s and early 70s. Will need headers probably sooner than later. I have more to think about now. I haven’t watched the whole series yet but I will prior to ordering.