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Athena 480cc Big Bore Cylinder Kit
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Athena
480cc Big Bore Cylinder Kit
$853.95 - $908.95
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Athena
480cc Big Bore Cylinder Kit
$853.95 - $908.95
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Product Description
Athena 480cc Big Bore 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 5hp can be seen in most models
Compression ratios are as follows
YZ/WR450F Kit has 12.4:1
TRX450R 04/05 Kit has 10.7:1
YFZ450 04-07 Kit has 12:1
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