CNC machined billet aluminum racing upper triple clamp for the 1973-79 Yamaha RD350 and RD400. 34mm fork models only. Made from solid 6061-T6 aluminum with extreme accuracy by a CNC machining center and is anodized black for cosmetic durability and good looks. Comes with all stainless fasteners and is ready to install. This upper triple has provision for the ignition switch.