Moose Racing Stainless Steel Intake Valve Kit for Yamaha YZ WR 250F 02-13

  
This item fits the following models. Each kit includes stainless steel valves, High-Rev valve springs, steel retainers, and Viton valve seals. Stainless steel valves are made from a one-piece forging out of 21-4N stainless steel.

Valves go through a black nitrided hardening treatment which decreases valve wear and improves performance. High-Rev springs are heat-treated and stress-relieved, which dramatically increases the springs' life cycle. Valve seals are made with Viton rubber which allows for greater seal and less stiction.

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We understand that such delays can be very inconvenient when they occur, but we do not have any influence over such situations.