BSA B44 Piston Ring Set / Piston Rings +020. 79.5mm. Gandini. 1/16" x 2 1/8" x 1 also fits Norton 16H, ES2 and Model 18 Original Piston check thickness
Norton 16H Carburettor 1". Both Types of Norton Big 4 with Banjo. Brough Superior 680. Brough Superior SS80. Stub Fitting size 1 1/8"-28.5 mm. inner size - through carburettor: 1" 25,4mm. Main Jet 160, all sizes available no extra cost. Needle Jet 106, 105,107,108 available please state size. Slide 4, 3, 3.5, 5 available. Please let us know. Made in England, We can build to order please send an E-mail with your specification. Please look at all pictures.