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 Crankshaft Front Main Bearing - Ball MJ 1-1/8 (1923-1933) £56.00 Clutch lever pin set £3.50 3 Speed Gearbox 3rd Motion Bearing £20.40 Clutch release bearing XLT 2-5/8 (3 speed) £62.00 Sold out Carburettor to Manifold Gasket 1923-1932 £0.60