www.Austin7Ulster.com › Block Base Shim / Spacer Plate (Thin Type) Block Base Shim / Spacer Plate (Thin Type) £8.99 sold out Aluminium spacer plate, for when your pistons are too close to the top of the bores. Thickness approx. 0.57mm / 0.023” Aluminium spacer plate, for when your pistons are too close to the top of the bores. Thickness approx. 0.57mm / 0.023” Sold Out Added! You Might Also Like 1/4” BSF x 1.1/2" long Set Screw £0.33 Crankshaft Rear Main Roller Bearing MRJ 1-1/4 £95.00 Sold out Dynamo Housing Gasket (coil engine) £0.95 Set of 14 cylinder head nuts and washers £2.99 Clutch lever arm set - 4 speed £39.99