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 Cylinder Block Base Shim / Spacer Plate (1mm Thick) £8.99 Rear Main Oil Seal Plate c/w UPRATED VITON HIGH PERFORMANCE seal (1930-1939) £22.50 Crankshaft Front Main Bearing - Ball MJ 1-1/8 (1923-1933) £56.00 Deep Head Long Oil Sump Bolts for alloy sumps etc BSW £2.10 Cotter Pin & Nut for Spring pin to rear axle, also clutch pedal, starting handle & brake cross shaft £2.99