Simple but effective way to shift the torque curve to favor the low to mid-range band of the rev range
Insert spacer between cylinder and reed valve
CNC-machined, eliminating "interference" problems when installing
Kit includes gaskets and bolts
Made in the USA
Product Note:
Specification
Details
Country of Origin
USA
Material
Aluminum
Vehicle Fitment
Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.
Recently added one to my son's YZ80 and it now has low end grunt like never before. I let him test ride around the yard and all he could say was "holy cow, what did you do to my bike?" He woke the next morning before sunrise with excitement to ride.
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