Wiseco Yamaha XT/TT/SR500 12:1 2nd over 1.00mm

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Manufacturer #:4767M08800
Sku:4767M08800

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Please allow 7 working days for delivery
Displacement:  505cc
Bore - Standard:  87.00mm
Bore - Actual:  88.00mm
Bore - Oversize:  1.00mm
Stroke:  84.00mm
Compression Ratio - Actual:  12:1
Note:  Cylinder boring required
Note:  Lateral Gas Ported