---Twin channel aluminium core will achieve up to 30% more cooling capability than the standard item ---Keeps engine temperatures down, ideal for track use ---More water volume within a channel means greater cooling efficiency ---Polished alloy and fully TIG welded for strength and long lasting durability ---We recommend all cooling components are fitted by a qualified mechanic to ensure the correct fitment Compatible with: Land Rover Defender 300 TDI / 2.5 turbo diesel 1990-1998 models Land Rover Discovery 300 TDI / 2.5 turbo diesel 1989-1994 models Please note: not suitable for tapered oil fittings.