www.Austin7Ulster.com › Bell Housing - STEPPED Stud 3/8" to 5/16BSW Bell Housing - STEPPED Stud 3/8" to 5/16BSW £3.20 STEPPED Crankcase to Cylinder Block 3/8” BSW to 5/16” BSW. STEPPED Crankcase to Cylinder Block 3/8” BSW to 5/16” BSW. Add To Cart Added! You Might Also Like Set of 8 Bell housing / Crankcase to Gearbox Studs, Nuts & Spring Washers BSF or BSW £18.50 Wide Fan Pulley (Coil type) £18.99 Fan Belt (Coil Engine) £8.50 Gearbox / Fabric Coupling Double Ended Stud £4.75 Set of 4, Sports Large 29mm Inlet Valves £39.99