www.Austin7Ulster.com › Top Water Manifold (Low Compression Type) Top Water Manifold (Low Compression Type) £11.99 Top Water Manifold for Low Compression Head Top Water Manifold for Low Compression Head Add To Cart Added! You Might Also Like Cylinder Head Stud (Std) EN16T £2.20 1/4” BSF x 3/4" long Set Screw BZP finish GRADE R £0.44 Set of 8 Bell Housing Nuts & Washers £2.50 Valve Guide - Stepped Type from £5.50 Propshaft Flange D Bolts Late 1935-39 5/16 BSF £3.35