Some combinations of triple trees

These fit Harley-Davidson Big Twins 1930-1972

Enjoy hassle-free operation and improved reliability with this essential upgrade

These small petcocks tuck up under your gas tank for a real clean look

or 1-3/4 inch exhaust pipes

8.8 mm Spark Plug Wire Set - Universal Subcategory_Drivetrain & Chain Tools Some combinations of triple treesThis universal set of 8. 8 mm spark plug wires is constructed with silicone throughout the jacket, insulation and core to deliver high temperature resistance. Made to hold up to the harshest conditions, rated at SAE Class E J2031 with a continuous operating temperature of 450 F. NOTE: This kit WILL NOT work on Twin Cam model Harley Davidsons. The plug wire measures 39 1 2" long including the spark plug boots. Made in the U. S. A.