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Tuning Camshaft Yoshimura ST-1M "Bottom End/Midrange Power" (NO Exchange Camshaft)
- Significantly more power at low or medium and high speed revs, the engine is agile and Revs willingly.
- New Blank Billet ground to Specification, NOT a Re-ground original
- Multiple hardened and tempered cam surface.
- It is highly recommended to replace Valve springs and retainers with compatible items when installing this cam
- Models after 1985 require Rocker arm Change to early style with longer wear plate. See item K27006
TYPE ST-1M MAX LIFT(mm) IN 11.30mm/EX 10.80mm 1mm DURATION(°) IN 252°/EX 248° Stamdard Tappet Clearance(mm) IN 0.13-0.15mm/EX 0.15-0.17mm