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

allow you to run 7/8" bars in 1" risers or stock Triumph motorcycle p-clamps

Norton and other British motorcycles

OIF (oil in frame) Triumph motorcycle head and allow you to run earlier 650 c

this is a replacement for OEM # 57-2330

Deluxe Throttle Housing Polished Aluminum for 1 inch bars Subcategory_Grommets 3/8 drive Whitworth made inBuilt in forged aluminum, this external throttle housing is set up for a single cable application and fits 1" (25, 24mm) handlebars. Throttle tube not included, this is for the throttle housing only. Features a brass cable stop and brass knurled throttle stop screw. Polished Aluminum finish. Brought to you by Kustom Tech in Italy.