Pistons, Rings, Wrist Pins, Bushings & More

ProX Piston Kit Beta RR450 '10-14 12.0:1 (94.97mm)

Part Number: PXR-01-7412-C

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Estimated Ship Date: Dec 26, 2025 if ordered today

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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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Estimated Ship Date: Dec 26, 2025 if ordered today

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ProX Piston Kit Beta 430RR '15-22 11.9:1 (94.97mm)

Part Number: PXR-01-7415-B

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Estimated Ship Date: Dec 26, 2025 if ordered today

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

Part Number: PXR-01-7425-C

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ProX Piston Kit RR520 '10-11 + RR498 '12-14 12.0:1 (99.97mm)

Part Number: PXR-01-7512-C

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ProX Piston Kit Beta RR250 '13-21 + XTrainer 250 (66.34mm)

Part Number: PXR-01-7313-A

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ProX Piston Kit Beta RR250 '13-21 + XTrainer 250 (66.35mm)

Part Number: PXR-01-7313-B

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ProX Piston Kit KTM125SX '07-22 + KTM125EXC '01-16 (53.94mm)

Part Number: PXR-01-6226-A

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ProX Piston Kit KTM125SX '07-22 + KTM125EXC '01-16 (53.95mm)

Part Number: PXR-01-6226-B

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ProX Piston Kit KTM125SX '07-22 + KTM125EXC '01-16 (53.96mm)

Part Number: PXR-01-6226-C

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ProX Piston Kit Beta RR250 '13-21 + XTrainer 250 (66.36mm)

Part Number: PXR-01-7313-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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Estimated Ship Date: Dec 26, 2025 if ordered today

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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 RR300 '13-17 (71.94mm)

Part Number: PXR-01-7393-A

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ProX Piston Kit Beta RR300 '13-17 (71.96mm)

Part Number: PXR-01-7393-C

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

Part Number: PXR-01-7398-A

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Piston Rings, Pro GPX Gas Ported, 4.530 in. Bore, File Fit, Gas Nitrided, 0.043 in., 1/16 in., 3/16 in. Thickness, V8, Set

Part Number: SUM-GP453046

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Piston Rings, Pro GPX Gas Ported, 3.927 in. Bore, File Fit, Gas Nitrided, 1.2mm, 1.2mm, 3.0mm Thickness, V8, Set

Part Number: SUM-GP392712

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Replacement Piston and Components: If not in stock, order MUST be placed to trigger singles. Average ETA of 3 business days if kits are in stock

Part Number: SUM-326S434075-2

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Dodge Cummins 5.9L 24V HO 04.5-07, 4.055 1mm oversize, Standard height, 45.5cc piston set

Part Number: SUM-59HO0407-1

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Dodge Cummins 5.9L 24V HO ISBE 04.5-07, 4.035 .5mm oversize, Standard height, 45.5cc piston set.

Part Number: SUM-59HO0407-5

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Pistons, Forged Aluminum, Flat, 4.030 in. Bore, 1.304 in. Compression Height, 0.927 in. Pin, Chevy, LS, Set of 8

Part Number: SUM-17407C-30

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Piston Rings, Pro GPX Gas Ported, 4.160 in. Bore, File Fit, Gas Nitrided, 0.043 in., 0.043 in., 3.0mm Thickness, V8, Set

Part Number: SUM-GP416043

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