Pistons, Rings, Wrist Pins, Bushings & More

ProX Pst Kit KTM350SX-F '11-21/FC350 '14-21 13.5:1 (87.96mm)

Part Number: PXR-01-6353-A

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Estimated Ship Date: Dec 5, 2025 if ordered today

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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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Estimated Ship Date: Dec 5, 2025 if ordered today

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ProX Piston Kit Husaberg FE450 '04-08 13.0:1 (99.94mm)

Part Number: PXR-01-6403-A

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Estimated Ship Date: Dec 5, 2025 if ordered today

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ProX Pst Kit KTM450SX-F'13-22 + FC450'14-21 12.6:1 (94.96mm)

Part Number: PXR-01-6434-B

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Estimated Ship Date: Dec 5, 2025 if ordered today

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ProX Piston Kit KTM400EXC '09-11/Husa FE390 '10-12 (94.96mm)

Part Number: PXR-01-6439-C

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Estimated Ship Date: Dec 5, 2025 if ordered today

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ProX Piston Kit Husaberg FE570 '09-12 12.2:1 (99.96mm)

Part Number: PXR-01-6519-B

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Estimated Ship Date: Dec 5, 2025 if ordered today

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ProX Piston Kit Sherco 300SE-F '14-17 (83.96mm)

Part Number: PXR-01-7324-B

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Estimated Ship Date: Dec 5, 2025 if ordered today

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4.040+5 1.0 1.0 2.0 8CYL

Part Number: TSR-CS1124040

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Estimated Ship Date: Nov 26, 2025 if ordered today

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Piston Rings, Plasma-moly, 4.145 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-3150032025

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Piston Rings, Plasma-moly, 4.000 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-3150034

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Piston Rings, Plasma-moly, 4.040 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-3150036045

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Piston Rings, Plasma-moly, 4.440 in. Bore, File Fit, 1/16 in., 1/16 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: MAH-3150057005

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Pistons, AutoTec SBF, 4.04, 4, Flat Top 6.25, 0.927, SBF 351W 20°, Sold as a set of 8.

Part Number: PIS-1000467

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Pistons, AutoTec SBF, 4.125, 3.7, Inverted Dome/Milled Dish 6.2, 0.927, SBF 351W 20°, Sold as a set of 8.

Part Number: PIS-1000478

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Pistons, AutoTec SBF, 4.125, 3.75, Inverted Dome/Milled Dish 6.25, 0.927, SBF 351W 20°, Sold as a set of 8.

Part Number: PIS-1000483

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Pistons, AutoTec SBF, 4.125, 4.1, Inverted Dome/Milled Dish 6.2, 0.927, SBF 351W 20°, Sold as a set of 8.

Part Number: PIS-1000508

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Pistons, AutoTec SBF, 4.03, 3.75, Flat Top 6.125, 0.927, SBF 351 Cleveland, Sold as a set of 8.

Part Number: PIS-1000516

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Pistons, AutoTec SBF, 4.03, 3.85, Flat Top 6, 0.927, SBF 351 Cleveland, Sold as a set of 8.

Part Number: PIS-1000518

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Pistons, AutoTec SBF, 4.04, 3.25, Dome 5.4, 0.927, SBF 302 20°, Sold as a set of 8.

Part Number: PIS-1000420

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Pistons, AutoTec SBF, 4.04, 3.5, Flat Top 6, 0.927, SBF 351W 20°, Sold as a set of 8.

Part Number: PIS-1000436

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Pistons, AutoTec BBF, 4.44, 4.3, Inverted Dome/Milled Dish 6.7, 1.04, BBF 429/460, Sold as a set of 8.

Part Number: PIS-1000543

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Pistons, AutoTec SBF, 4.03, 3.85, Flat Top 5.956, 0.912, SBF 351W 20°, Sold as a set of 8.

Part Number: PIS-1000452

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Pistons, AutoTec SBF, 4.06, 3.85, Flat Top 5.956, 0.912, SBF 351W 20°, Sold as a set of 8.

Part Number: PIS-1000454

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Pistons, AutoTec BBF, 4.39, 4.5, Dish 6.7, 0.99, BBF AFR 14°, KAASE P-51, SCJ & SR-83, Sold as a set of 8.

Part Number: PIS-1001817

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Pistons, AutoTec Modular, 3.572, 4.165, Dish 6.658, 0.866, Modular 2V 4.6/5.4, Sold as a set of 8.

Part Number: PIS-1000789

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Estimated Ship Date: Dec 29, 2025 if ordered today

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