www.Austin7Ulster.com › Cylinder Block - STEPPED short manifold Stud 5/16"BSF to 1/4" BSF Cylinder Block - STEPPED short manifold Stud 5/16"BSF to 1/4" BSF £2.90 STEPPED stud 5/16” BSF to 1/4” BSF. STEPPED stud 5/16” BSF to 1/4” BSF. Add To Cart Added! You Might Also Like Pair of Inlet Manifold Gaskets (for Log Type Manifolds) - Coming very soon! £2.20 Sold out Low Compression Head Gasket L.C. £29.99 Top Fan Pulley (for Magneto engine) £33.99 Rear main engine bearing housing Tab Washer for oil seal plate £1.10 Set of 8 Bell housing / Crankcase to Gearbox Studs, Nuts & Spring Washers BSF or BSW £18.50