PSK 1146 - Window Channel Kit, Rear Side Doors upto August 1972 Land-Rover Series 2, 2a and 3 £14.30 Quantity: at £14.30 each Add To Basket 2 in stock. Window Channel Kit, Rear Side Doors upto August 1972 Suitable only for 109" Station Wagon, Rear Side Doors: Series 2. Series 2a. Series 3 upto August 1972 only. i.e. models with metal twist lock type sliding window lock fitted to top of window frame. Not suitable for later Series 3 models with plastic 'push-up' sliding window lock, use our kit PSK 1159.