*Now In-Stock!* New English Made Genuine Amal Monobloc Throttle Adjusting Screw W/ Spring. When Rebuilding / Tuning your Carburetor, only use Genuine Amal Parts! This Screw & Spring Set makes it easy for your to adjuster your idle! Fits all New Production & Original Amal Monobloc Carbs (375, 376, 389, 689, Etc) as fitted to most BSA, Triumph, Norton, Matchless, AJS & other British Brands from approx 1954-1967! Please refer to your parts book to ensure the best fitment.*****Please note that this Set will only fit the Amal “Monobloc” Carb! Part may fit other Brands that are not listed abouve!*****Made in EnglandO.E.M Part number is RKC/514, 376/068 or 376/069