www.Austin7Ulster.com › Cylinder Block Base Shim / Spacer Plate (1mm Thick) Cylinder Block Base Shim / Spacer Plate (1mm Thick) £9.99 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 Add To Cart Added! You Might Also Like 1/4” BSF x 1.1/2" long Set Screw £0.33 Double Valve Springs Set of 8 £18.99 Oil pump spindle steel cover £4.30 Hardy Spicer Type Universal Prophaft Joint UJ £9.99 Stainless Steel Repair Plate for Side Water Manifold £11.99