Seller notes

Stage 1: Dual cam engine.. Intake and exhaust cams sold separately.. Drastically improves midrange and top-end power.. Comes with adjustable sprocket.. Uses stock replacement valve springs.. Intake Duration (Degrees at 1mm): 249.00. Intake Lift (mm): 8.48. Intake Lobe Center (Degrees): 106.00. Replacement Intake Valve Lash (mm): .15 fits YAM WR250F 2011-2013 fits YAM WR250F 2001-2009 fits YAM YZ250F 2001-2013 *Free to the contiguous United States consisting of the 48 adjoining U.S. states plus W...

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