Phenolic Amal Carburetor Insulator 32mm Triumph Norton BSA thick Moto Guzzi Chassis They should fit all models

They should fit all models of 750 twin from 1973-on

Seal washer/retainer x2 97-0445

Genuine NOS

ID is 36mm

more modern-looking version is available in another listing

Phenolic Amal Carburetor Insulator 32mm Triumph Norton BSA thick Moto Guzzi Chassis They should fit all modelsNorton part number 06 3458, also suitable for Triumph BSA with 32mm ports carbs. Typically used between carb and manifold for racing 500 BSA and large carbed 650 750 twin, standard for 850 Commando. American made, GUARANTEED to fit, but Commando will require slight relieving at inner edges as the intake ports are so tight. Thickness 1 8". Thinner versions available in another listing.