2019 Pro-X Racing Parts Engines & Components

ProX Piston Kit RM-Z250 '10-22 "ART" 13.4:1 (76.98mm)

Part Number: PXR-01-3341-C

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Estimated Ship Date: Oct 15, 2025 if ordered today

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ProX Piston Kit KX250F '17-19 13.7:1 (76.96mm)

Part Number: PXR-01-4348-A

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ProX Piston Kit KX250F '17-19 13.7:1 (76.97mm)

Part Number: PXR-01-4348-B

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ProX Piston Kit KX250F '17-19 13.7:1 (76.98mm)

Part Number: PXR-01-4348-C

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ProX Piston Kit Sherco 250SE/SC-R '17-22 (66.34mm)

Part Number: PXR-01-7337-A

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ProX Piston Kit Sherco 250SE/SC-R '17-22 (66.35mm)

Part Number: PXR-01-7337-B

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ProX Piston Kit Sherco 250SE/SC-R '17-22 (66.36mm)

Part Number: PXR-01-7337-C

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ProX Piston Kit Sherco 300SE/SC-R '16-22 (71.94mm)

Part Number: PXR-01-7346-A

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

Part Number: PXR-01-7346-C

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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 KTM250SX '03-22 + KTM250EXC '06-21 (66.37mm)

Part Number: PXR-01-6343-D

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ProX Pst Kit KTM250SX-F '16-22/FC250 '16-22 14.4:1 (77.96mm)

Part Number: PXR-01-6347-A

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ProX Pst Kit KTM250SX-F '16-22/FC250 '16-22 14.4:1 (77.97mm)

Part Number: PXR-01-6347-B

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ProX Pst Kit KTM250SX-F '16-22/FC250 '16-22 14.4:1 (77.98mm)

Part Number: PXR-01-6347-C

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ProX Piston Kit KTM350EXC-F '17-19 12.3:1 (87.97mm)

Part Number: PXR-01-6367-B

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ProX Piston Kit KTM350EXC-F '17-19 12.3:1 (87.98mm)

Part Number: PXR-01-6367-C

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