R Series decompression camshafts from Takegawa for the CRF50 CRF70 with R-Stage or EM Series heads and 88cc through 124cc bore kits. Also the go-to camshaft for YX140 heads. Comes with updated rocker arms to allow the decomp mechanism to operate. Choose from 3 grinds for the most performance available from your R-Stage or R-Stage EM head. - R-10D emphasis on low end
- R-15D emphasis on mid-range
- R-20D emphasis on top end peak power
Mention your specific cam choice in the comments of your order.
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