Wiseco Yamaha XT/TT/SR500 9:1 1st over .50

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Manufacturer #:4764M08750
Sku:4764M08750

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Allow 7 days delivery time
Displacement:  502cc
Bore - Standard:  87.00mm
Bore - Actual:  87.50mm
Bore - Oversize:  0.50mm
Stroke:  84.00mm
Compression Ratio - Actual:  9:1
Note:  Cylinder boring required