CRF250R ’04-’09 / CRF450X ’04-’14 Hot Cam Gold Series Camshafts

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Hot Cam Gold Series Camshafts
  • Extract maximum performance from your engine
  • Hot Cams provide increased intake and exhaust duration for improved breathability and more horsepower
  • Provides significantly more mid-range punch and top-end speed for most models
  • Core trade-in not required so you can keep the original camshaft
  • Improved acceleration, more bottom-end and no top-end loss
  • Most cams uses stock valve springs and rockers

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See specs. below to choice the right camshaft for your needs:

Stage 1 – Single cam engine. Excellent bottom end and midrange power increase over the stage 1 cam. Requires stiffer springs PART # VSCRF250RKIT. Uses stock auto decompression mechanism.

Lift (mm): 9.25 intake 9.07 exhaust Duration (degrees at 1mm): 243.5 intake 256 exhaust
Stage 2 – Single cam engine. Excellent midrange and over-rev increase over the stage 3 cam. Requires stiffer springs PART # VSCRF250RKIT. Uses stock auto decompression mechanism.

Lift (mm): 9.25 intake 9.09 exhaust Duration (degrees at 1mm): 243 intake 256 exhaust
Stage 3 – Single cam engine. Improvement in high RPM power, best for high RPM applications or modified engines. Requires stiffer springs PART # VSCRF250RKIT. Uses stock auto decompression mechanism.

Lift (mm): 9.40 intake 9.14 exhaust Duration (degrees at 1mm): 255 intake 263 exhaust