www.Austin7Ulster.com › 5/16” BSF Barrel Nut - block to crankcase studs 5/16” BSF Barrel Nut - block to crankcase studs £2.50 5/16” BSF Steel Nut for crankcase studs 5/16” BSF Steel Nut for crankcase studs Add To Cart Added! You Might Also Like Clutch release bearing XLT 2-5/8 (3 speed) £62.00 Sold out Valve Chest Cork Gasket £2.30 Oil Jet - 2 bearing engine £7.50 1/4” BSF x 3/4" long Set Screw BZP finish GRADE R £0.44 Cam Followers - Set of 8 Std or Sports £80.00