DAYUAN 14 pcs Aluminum Automotive Cooling System Radiator Pressure Tester Kit by Amazon.co.uk

• Aluminum adapters for use with most cars and trucks

• Tester helps to detect internal and external leaks.

• Perfect for head gasket failure detection (which side of block or which cylinder leaks) .

• Thumb-operated relief valve for quick and easy pressure release and self-locking quick coupling.