Description
This is a performance head package for the 2009 to 2014 Yamaha R1. You will need to send in your Cylinder head and camshafts for this performance package. We port the cylinder head to maximize air flow as well as install new valve stem seals. Head also receives a 3 angle valve job, and machine cylinder head base to increase compression. We also include head gasket, and manual chain tensioner. Camshafts are reground to maximize performance, and slotted cam gears are also included in this package. This package does not include shipping.
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