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All offered stainless steel valves are impregnated by a special German process to .002” deep with a .0002” surface build-up to improve wear properties and reduce friction. This process provides resistance to corrosion and wear that is superior to that developed by hard chromium and electrolysis nickel plating. These valves are light and the profiles provide excellent flow characteristics. High quality intake and outlet valves for the water-cooled 660 engines from 2004 onwards.
Made in Europe to high quality standarts. The valves exceed OEM specifications in dimensions and reliability.
Up to +2mm Intake and outlet valves for 660 engines from '04
Steel made, special impregnated
+1mm / +2mm bigger than stock diamensions
very good price/value level!
cylinder head / valve seat has to be modified
Price for 1 valve
Fits: XT660R - XT660X - XT660Z - XT-660ZA - MT-03
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OFF-THE-ROAD Webshop - Enduro, Travel- and Rally-Equipment for Yamaha single / twin cylinder and other motorbikes - Phone +49-(0)221-768056-0