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Review on Silver JRL CNC Racing Cylinder Head for 66cc/80cc Engine by Stephen Johnson

Revainrating 4 out of 5

Good 80cc head for the money

Good head for 80cc motorized bikes I've lost some top speed with this but got a smoother and cooler engine which is more important to me I can pick it up Increase speed by using a smaller rear sprocket.

Pros
  • Best in its niche
Cons
  • So-so