This is a heavy-duty cylinder head set for earlier whizzer NE5. Some earlier whizzer NE5 engines, which we used the modified WC1 cylinder head on them. WC1 cylinder head is too thin to against the compression when engine working hot, which caused the valve seat loosed and compression leaked, which made the engine lost the power and run shakily. This heavy-duty cylinder head solved these problems.We are offering complete parts and kits for a home-built Cruzzer Motorbikes. The assembling processes are shown by videos on our website "cruzzermotorbikes.com". For more detailed information, please check our blog "wc1manufacturer.wordpress.com" by Google search.NOTICE: We, the seller of listed item or items, are NOT Whizzer USA. We DO NOT represent Whizzer USA. We are NOT affiliated with Whizzer USA or the Trademark Whizzer, Whizzer USA, Whizzer motorbike. We manufacture and sell aftermarket parts that will fit on certain Whizzer motorbikes and non-Whizzer scooters. We do not manufacture, offer or sell Whizzer brand parts. Any use of the term Whizzer or Whizzer models in the listing are solely for item description purpose only.
