3/8 drive Whitworth made in Japan sockets are perfect for working on your British motorcycle (Triumph

is for 5/16" hose

streamlined shape we now recognize as the Axed Tank

1/2" WW and 9/16" WW sockets

and handlebars may cause clearance issues when turning

Triumph Ignition Timing Degree Wheel - Late - 1969 & later Subcategory_Solo Seat Pivots 3/8 drive Whitworth made inThese Ignition Timing Degree Wheels thread into the end of your exhaust camshaft and allow you to set your motor to Top Dead Center and 38 degrees Before Top Dead Center to time your motorcycle spot on. This particular tool has the 1 4" 28 standard thread to fit Triumphs 1969 and later. See the related items below for the same tool with CEI threads for 1968 and earlier!