www.Austin7Ulster.com › Cylinder Block Base Shim / Spacer Plate (Thin Type) Cylinder 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 3 Speed Gearbox - Idler Gear Bearing £12.50 Top Water Manifold Gasket (High Compression Type) (Paper Type) £0.80 Felt Oil Seal for Magneto £2.50 SEMI DEEP ALLOY FINNED OIL SUMP £185.00 Sold out Sports Alloy Valve Chest Cover £40.99 Sold out