Precision Valve Job Race Tech's performance tuning comes into play with the Rottler SG7 valve cutting machine, the department's primary tool for precision valve jobs. Race Tech offers a standard three-angle valve job, and a high-performance five-angle valve job that uses additional angles at the valve seat to increase air flow. A new Vertex piston and ring set, fresh gaskets and titanium valves from Suzuki completed the top-end on our RM-Z. On the bottom end, Hot Rods provided us with a new crank, which Race Tech ensured was perfectly trued, and Suzuki supplied a replacement waterpump shaft and seal. [Extracted from the article]
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