www.Austin7Ulster.com › Top Water Manifold Stud for Low Compression Head 5/16 BSF Top Water Manifold Stud for Low Compression Head 5/16 BSF £1.80 Standard Top Water Manifold Stud for LC Head, 5/16 BSF Standard Top Water Manifold Stud for LC Head, 5/16 BSF Add To Cart Added! You Might Also Like Centre main engine bearing housing Tab Washer - 3 Brg Engine £1.10 Set of 5 Long Brass Brushes for cleaning oil galleries etc £8.99 Crankshaft Rear Main Roller Bearing MRJ 1-1/4 £95.00 Sold out Propshaft Flange D Bolts Late 1935-39 5/16 BSF £3.35 STD Top Water Manifold Cork Gasket (Low Compression Type) £0.75