CAMSHAFT 01-13 YZF250 WR250F EXHAUST HOT CAMS 4020-1E

CAMSHAFTS HOTCAMS 4020-1E Stage 1: Dual cam engine. Intake and exhaust cams sold separately. Increases bottom and midrange power for improved snap. Cam includes auto-decompressor mechanism. Uses stock valve springs. 2001 - 2013 Yamaha WR 250F BIKE,2001 - 2013 Yamaha YZ 250F BIKE Technical Specifications: Exhaust Duration (Degrees at 1mm): 252.00 Exhaust Lift (mm): 8.10 Exhaust Lobe Center (Degrees): 104.00 Exhaust Valve Lash (mm): .20 Intake Duration (Degrees at 1mm): .00 Intake Lift (mm): .00 Intake Lobe Center (Degrees): .00 Intake Valve Lash (mm): .00 Shim Kit: HCSHIM01