2019 Pro-X Racing Parts Pistons & Piston Rings

ProX Piston Kit Sherco 300SE/SC-R '16-22 (71.96mm)

Part Number: PXR-01-7346-C

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Estimated Ship Date: Oct 15, 2025 if ordered today

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ProX Piston Kit Beta 350RR '15-22 13.2:1 (87.96mm)

Part Number: PXR-01-7355-A

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ProX Piston Kit Beta 350RR '15-22 13.2:1 (87.98mm)

Part Number: PXR-01-7355-C

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ProX Piston Kit Beta 390RR '15-22 12.5:1 (87.96mm)

Part Number: PXR-01-7365-A

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ProX Piston Kit Beta 390RR '15-22 12.5:1 (87.97mm)

Part Number: PXR-01-7365-B

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ProX Piston Kit Beta RR300 '18-21 (71.94mm)

Part Number: PXR-01-7398-A

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ProX Piston Kit Beta 430RR '15-22 11.9:1 (94.96mm)

Part Number: PXR-01-7415-A

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ProX Piston Kit Beta 430RR '15-22 11.9:1 (94.98mm)

Part Number: PXR-01-7415-C

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ProX Piston Kit KTM300EXC TPI'18-22 + TE300i'18-22 (71.95mm)

Part Number: PXR-01-6388-B

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ProX Pst Kit KTM450SX-F'13-22 + FC450'14-21 12.6:1 (94.95mm)

Part Number: PXR-01-6434-A

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ProX Pst Kit KTM450SX-F'13-22 + FC450'14-21 12.6:1 (94.97mm)

Part Number: PXR-01-6434-C

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ProX Piston Kit Beta 480RR '15-22 11.9:1 (99.98mm)

Part Number: PXR-01-7425-C

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ProX Pst Kt XR650L'93-21/SLR650'97-00/FMX650'05-07(100.00mm)

Part Number: PXR-01-1660-000

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ProX Pst Kt XR650L'93-21/SLR650'97-00/FMX650'05-07(100.50mm)

Part Number: PXR-01-1660-050

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ProX Piston Kit PW50 '81-22 (41.00mm)

Part Number: PXR-01-2005-100

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ProX Piston Kit CRF250R '18-19 13.9:1 (78.99mm)

Part Number: PXR-01-1348-C

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ProX Piston Kit CRF450R/RX '17-22 13.5:1 (95.97mm)

Part Number: PXR-01-1417-B

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ProX Piston Kit Yamaha YZ250F '19-22 13.8:1 (76.97mm)

Part Number: PXR-01-2439-C

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ProX Piston Kit YZ450F '18-19 + YZ450FX '19-20 (96.95mm)

Part Number: PXR-01-2448-A

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ProX Piston Kit YZ450F '18-19 + YZ450FX '19-20 (96.97mm)

Part Number: PXR-01-2448-C

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ProX Piston Kit YZ85 '02-22 (47.44mm)

Part Number: PXR-01-2114-A

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ProX Piston Kit YZ85 '02-22 (47.45mm)

Part Number: PXR-01-2114-B

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ProX Piston Kit YZ85 '02-22 (47.46mm)

Part Number: PXR-01-2114-C

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ProX Piston Kit YZ250 '99-22 + RM250 '03-12 (66.36mm)

Part Number: PXR-01-2321-B

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ProX Piston Kit YZ250 '99-22 + RM250 '03-12 (66.38mm)

Part Number: PXR-01-2321-D

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