Troublesome Engine Noises? Buy engine additives to treat engine noise problems direct from Skinny Tree Limited. Additives such as valve lifting treatments or Wynn's Noise and Vibration reducer can help reduce engine noises caused by friction, wear, or carbon buildup. Hot Wynn's Noise and Vibration Reducer 325ml £9.99 Buy Wynn's Hydraulic Valve Lifter Treatment 325ml £8.99 Buy Questions? sales@skinnytree.co.uk 5* Reviews Check out feedback Multi-buy 10% Off, 3 of the same Secure Checkout View basket 0