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 Clutch Springs £8.50 Roll of Brass Wire Gauze / Mesh for oil filter (does 2 filters) £4.99 SET OF 4 - Exhaust Downpipe Flange Bolts and Brass Nuts 1/4” BSF £4.99 Top Water Manifold Gasket (High Compression Type) (Paper Type) £0.80 Top Water Manifold (Low Compression Type) £15.99