Seller notes

Wiseco 90.50mm 9.5:1 Compression ATV Piston Kit Type: Piston Stroke: 68.00mm Bore: 90.50mm Displacement: 437cc Compression Ratio: 9.5:1 Material: Aluminum Note: +0.50mm over standard bore | Cylinder boring required Sold as: Each All Wiseco pistons are forged from aerospace aluminum alloys on Wisecos state-of-the-art forging pressesBuilt on a legacy of championships for over 60 years by American craftsmenWiseco pistons have the latest dyno-tested technology to out-perform the competitionWiseco fo...

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