Engine Rotating Assemblies & Rebuild Kits

TOP END REPAIR KIT

Part Number: NTI-NA-50025-4K

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Estimated Ship Date: Jul 29, 2025 if ordered today

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Repair Kit, Top End, 47.44mm Bore, 8.40 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10081K

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Estimated Ship Date: Jul 29, 2025 if ordered today

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Repair Kit, Top End, 66.350mm Bore, 8.60 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20025K

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Estimated Ship Date: Jul 29, 2025 if ordered today

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Repair Kit, Top End, 76.950mm Bore, 12.60 to 1 Compression Ratio, Kawasaki, Suzuki, Kit

Part Number: NTI-NX-20030K

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Estimated Ship Date: Jul 29, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-30024-BK

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Repair Kit, Top End, 66.35mm Bore, 8.60 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30024K2

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Rebuild Kit, Complete Bottom End, for use on Honda®, CRF450R, Kit

Part Number: HRI-CBK0017

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Estimated Ship Date: Jul 21, 2025 if ordered today

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BOTTOM END KIT Honda

Part Number: HRI-CBK0023

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Estimated Ship Date: Jul 21, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, YFZ450, Kit

Part Number: HRI-CBK0098

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Estimated Ship Date: Jul 21, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Kawasaki, KX100, Kit

Part Number: HRI-CBK0102

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Estimated Ship Date: Jul 21, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, YZ450F, Kit

Part Number: HRI-CBK0110

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Estimated Ship Date: Jul 21, 2025 if ordered today

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COMPLETE BOTTOM END KIT

Part Number: HRI-CBK0145

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Estimated Ship Date: Jul 21, 2025 if ordered today

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COMPLETE BOTTOM END KT

Part Number: HRI-CBK0191

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Estimated Ship Date: Jul 21, 2025 if ordered today

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Cylinder Kit, Forged Piston, Standard Bore, for use on Honda®, 12.50 to 1 Compression Ratio, Kit

Part Number: CLW-10002-K01HC

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Estimated Ship Date: Jul 29, 2025 if ordered today

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Cylinder Kit, Forged Piston, Standard Bore, Yamaha, 13.00 to 1 Compression Ratio, Kit

Part Number: CLW-20001-K01HC

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Cylinder Kit, Forged Piston, Standard Bore, Gaskets, Rings, Yamaha, Motorcycle, Kit

Part Number: CLW-20002-K03

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Estimated Ship Date: Jul 29, 2025 if ordered today

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CYL WORKS STD BORE KIT YZ450F

Part Number: CLW-20005-K02

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Estimated Ship Date: Jul 29, 2025 if ordered today

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Top End Engine Kit STANDARD BORE CYLINDER KIT STANDARD BORE CYLINDER KIT

Part Number: CLW-20010-K02

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Cylinder Kit, Forged Piston, 2.00mm Oversize Bore, KTM, 13.50 to 1 Compression Ratio, Kit

Part Number: CLW-50001-K01

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Cylinder Kit, Forged Aluminum, 4.00mm Oversize Bore, KTM, Set

Part Number: CLW-51002-K01

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Estimated Ship Date: Jul 29, 2025 if ordered today

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Top End Engine Kits CYL WORKS BIG BORE KIT POLARIS CYL WORKS BIG BORE KIT POLARIS 1000 RZR XP '14-15

Part Number: CLW-61003-K01

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Estimated Ship Date: Jul 29, 2025 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-45955251STD

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Estimated Ship Date: Jul 28, 2025 if ordered today

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ProX Engine Kit Plrs. Sptsmn800HO '08-09

Part Number: PXR-10-EK5805-A

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Estimated Ship Date: Jul 28, 2025 if ordered today

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ProX Engine Kit Plrs. RZR 800 '11-14

Part Number: PXR-10-EK5805-B1

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Estimated Ship Date: Jul 28, 2025 if ordered today

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ProX Engine Kit Plrs. Sptsmn 800 '11-14

Part Number: PXR-10-EK5806-A1

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Estimated Ship Date: Jul 28, 2025 if ordered today

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