Naraku NK102.83 - Naraku 70cc Cylinder Head For Benelli 491 50 AC 2001-2003

Features: Aluminium cylinder head with large combustion chamber suitable for Minarelli AC 70cc cylinder kit NK100.31 (order number) and CPI, Keeway cylinder kit NK101.47 (order number). Also suitable for any other 70cc cylinder with 47mm bore. When using a Chinese engine: This Naraku cylinder head requires the use of a short thread spark plug (NGK type H means short thread) such as BR8HSA, BR8HS. Attention: some Chinese engine manufacturers like Keeway, CPI etc. use from the Euro 2 models year 2003- an original spark plug type E with long thread like e.g. BR7ES. Those spark plugs do not fit here!.