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Athena
450cc Cylinder Kit
$739.95 - $813.95 
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Product Description
Athena 450cc Cylinder Kit

  • Bolt on kit, no machining required
  • Aluminum cylinder with nickel-carbide coating designed with wider water jackets
  • Complete piston kit, Forged piston with molybdenum coating
  • Complete top end gasket set
  • Easy to follow step-by-step installation instructions
  • Average power gains of 3hp can be seen in most models

Compression ratios are as follows

  • CRF450R/X Kit has 11.5:1
  • YZ/WR450F Kit has 12.3:1
  • TRX450R Kit has 10.5:1
  • LT-R450 Kit has 11.7:1
  • YFZ450 Kit has 11.9:1
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