www.Austin7Ulster.com › Block Base Shim / Spacer Plate (1mm Thick) Block Base Shim / Spacer Plate (1mm Thick) £8.99 sold out Aluminium spacer plate, for when your pistons are too close to the top of the bores. Thickness 1mm Aluminium spacer plate, for when your pistons are too close to the top of the bores. Thickness 1mm Sold Out Added! You Might Also Like Top Water Manifold (Low Compression Type) £11.99 Engine Mounting Nut & Bolt - 1 off (Solid Mount Type) £1.40 Front Engine Mounting Stud & Nut £9.99 Rear main engine bearing housing Tab Washer for oil seal plate £1.10 Inlet/Exhaust Manifold Stud (Long) £2.75