It actually makes these pipes flow quite well with a hardtailed Triumph

Upper Pushrod Cover Kit Chrome Plated - Fits 1957-85 Sportster/1948-65 Panhead

Our TDC tool has two sets of threads allowing for proper use on all year ranges of unit Triumph with only one tool

or any aftermarket light designed to fit the same mounting hole pattern (such as Biltwell A

but this tool allows you to easily remove them

#2357-4 Pike Nut Valve Stem Cap and Locknut Kit - 2 pack - Chrome Plated Subcategory_Enricher & Choke Knobs It actually makes these pipesPike nut style valve stem caps and nuts fit medium length steel valve stems. 2 pack. Made in Ohio, USA.