Description
Amal Concentric Premier 30mm left-hand (LH) aluminum-body carburetor for Triumph 650cc and 750cc twin-carb unit twins, including Bonneville and T140 models. Comes factory-jetted with a 200 main jet, 106 needle jet, #17 needle jet, and #3 slide for a reliable baseline tune. Premier series aluminum construction is a lighter, modern alternative to the original Amal zinc-body Concentric.