Replacement O-ring Set for the 4-Valve Head on the Grom
About quality and texture: I am happy with the quality of O-ring set from SP Takegawa, made from a soft flexible rubber to help create a good seal, the set includes two tappet cover O-rings and one cam cover O-ring.About the feeling of use: The O-rings are shaped perfectly and fit easily into the three covers and once torqued down have zero oil leaks.Products to buy together: A tappet adjustment wrench would also be desirable to purchase along side the O-ring set as these covers are removed regularly for valve clearance checks and adjustments on the 4-valve headDifficulty of installation: The process to install takes about 15 minutes, undo the allen key fasteners for all three covers and use an O-ring pick tool to remove the old O-rings so to not damage the covers. Lubricate the new O-rings with engine oil, fit tp the covers and torque down the allen key fasteners once again. Not difficult to do.Cost performance and comparison with other products: Good costing as you are getting three quality O-rings in this set specifically designed and shaped for the SP Takegawa 4-valve head that is not available for any other source.About shipping and packaging: Sea frieght was my perferred method of shipping due to the lower cost but currently unavailable due to Japan Post. Webike kept me updated on the status of my order up to when it shipped. The parcel arrived within the expected date range and was well packaged with no chance of the part being damaged.Any concerns, cautions, or advice when purchasing: From my research there are individual part numbers for the tappet covers and cam cover but they are not available to be purchased individually here, only as a set.
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