www.Austin7Ulster.com › 5/16” BSF Nut - cylinder head etc 5/16” BSF Nut - cylinder head etc from £0.25 5/16” BSF Steel Nut for cylinder head studs etc 5/16” BSF Steel Nut for cylinder head studs etc Quantity: Select Quantity Set of 14 Price each Add To Cart Added! You Might Also Like Fuel Pump Gasket £0.90 New Old Stock 66" Long, Nemag Type Speedo / Speedometer cable £35.00 3 x Mouse Trap Clutch Arm Springs £4.50 Cylinder Block - STEPPED Base Stud 3/8" to 5/16BSF £3.20 Set of 5 Long Brass Brushes for cleaning oil galleries etc £8.99