Engine Rotating Assemblies & Rebuild Kits

TOP END REPAIR KIT

Part Number: NTI-NX-30024-BK

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Estimated Ship Date: Jul 28, 2025 if ordered today

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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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Estimated Ship Date: Jul 28, 2025 if ordered today

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Repair Kit, Top End, 53.940mm Bore, 10.80 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40001K

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Estimated Ship Date: Jul 28, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40085-CK

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Estimated Ship Date: Jul 28, 2025 if ordered today

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Repair Kit, Top End, 39.460mm Bore, 8.50 to 1 Compression Ratio, KTM, Kit

Part Number: NTI-NX-70001K

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Estimated Ship Date: Jul 28, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70002-6BK

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Estimated Ship Date: Jul 28, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70002-6CK

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Estimated Ship Date: Jul 28, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70004-CK

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Estimated Ship Date: Jul 28, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70020K

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Estimated Ship Date: Jul 28, 2025 if ordered today

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QB FULL TOP END SET

Part Number: QDB-56-3907

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Estimated Ship Date: Jul 23, 2025 if ordered today

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QB FULL TOP END SET

Part Number: QDB-56-3913

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Estimated Ship Date: Jul 23, 2025 if ordered today

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QB FULL TOP END SET

Part Number: QDB-56-3924

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Estimated Ship Date: Jul 23, 2025 if ordered today

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QB FULL TOP END SET

Part Number: QDB-56-3938

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Estimated Ship Date: Jul 23, 2025 if ordered today

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QB FULL TOP END SET

Part Number: QDB-56-3960

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Estimated Ship Date: Jul 23, 2025 if ordered today

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QB FULL TOP END SET

Part Number: QDB-56-3963

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Estimated Ship Date: Jul 23, 2025 if ordered today

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QB FULL TOP END SET

Part Number: QDB-56-3971

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Estimated Ship Date: Jul 23, 2025 if ordered today

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QB FULL TOP END SET

Part Number: QDB-56-3978

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Estimated Ship Date: Jul 23, 2025 if ordered today

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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 28, 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 28, 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 28, 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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Estimated Ship Date: Jul 28, 2025 if ordered today

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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 28, 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 28, 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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Estimated Ship Date: Jul 28, 2025 if ordered today

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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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Estimated Ship Date: Jul 28, 2025 if ordered today

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