Piston Kits
XR\'s Only performs extensive performance testing for each XR\'s Only Big Bore Piston Kit it offers to the public to ensure high performance and reliability standards for their Honda CRF and XR dirt bikes and TRX ATVs. Available in compression ratios that range from the modest 10:5.1 up to 12:1, XR\'s Only recommends race gas with any piston kit above 11:1 compression rations or higher. The XR\'s Only Piston Kit comes with everything needed for complete top end reassembly and includes a new JE or Ross race piston, rings, a wrist pin, piston clips, Cometic head gasket and Cometic base gasket.
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XRs Only Piston Kit - Honda - 85mm / 10:5.1 / 352cc XR350R (1985) XL350R (84-85)
XR's Only Piston Kits.$239.00
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XRs Only Piston Kit - Honda CRF150F (03-05)- 65.5mm / 11:1 Compression
XR's Only Piston Kits$179.95
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XRs Only Piston Kit - Honda CRF230F / CRF150F (03-05) - 69.5MM / 11:5.1 Compression
XR's Only Piston Kit$221.00
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XRs Only Piston Kit - Honda XR200R (86-UP) - 65.50mm / 10.5:1 / Standard Bore
XR's Only Piston Kits$219.06