Engine Kits & Rotating Assemblies

Repair Kit, Top End, 73.95mm Bore, 8.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10005K

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Estimated Ship Date: Oct 23, 2025 if ordered today

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Repair Kit, Top End, 92.46mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10008-2K1

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Estimated Ship Date: Oct 23, 2025 if ordered today

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Repair Kit, Top End, 92.96mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10008-4K1

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Estimated Ship Date: Oct 23, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-10012-4K

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Estimated Ship Date: Oct 23, 2025 if ordered today

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Repair Kit, Top End, 68.70mm Bore, 9.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10027-1K

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Estimated Ship Date: Oct 23, 2025 if ordered today

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Repair Kit, Top End, 86.73mm Bore, 9.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10042-1K

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Estimated Ship Date: Oct 23, 2025 if ordered today

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TOP END KIT HYPERDRYVE 102.97/STD YAM

Part Number: NTI-NA-40025K

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Estimated Ship Date: Oct 23, 2025 if ordered today

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Repair Kit, Top End, 83.94mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002-4K

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Estimated Ship Date: Oct 23, 2025 if ordered today

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Repair Kit, Top End, 82.94mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002K

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Estimated Ship Date: Oct 23, 2025 if ordered today

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Repair Kit, Top End, 74.97mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50003-2K

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Estimated Ship Date: Oct 23, 2025 if ordered today

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Repair Kit, Top End, 92.47mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50004-2K

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Estimated Ship Date: Oct 23, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50011K

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Estimated Ship Date: Oct 23, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50012-2K

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Estimated Ship Date: Oct 23, 2025 if ordered today

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Top End Engine Kits CYL WORKS STD BORE POWER VALVE CYL WORKS STD BORE POWER VALVE YZ250 '99-15

Part Number: CLW-CW-PV-K01

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Estimated Ship Date: Oct 24, 2025 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22926C

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Estimated Ship Date: Oct 23, 2025 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK23133B

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Estimated Ship Date: Oct 23, 2025 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK23430CD

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Estimated Ship Date: Oct 23, 2025 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK23630A-1

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Estimated Ship Date: Oct 23, 2025 if ordered today

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TOP END KIT FR WITH CAM CHAIN

Part Number: VPX-VTKTC22983A

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Estimated Ship Date: Oct 23, 2025 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTKTC23104

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Estimated Ship Date: Oct 23, 2025 if ordered today

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TOP END KIT FR WITH CAM CHAIN

Part Number: VPX-VTKTC23311B

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Estimated Ship Date: Oct 23, 2025 if ordered today

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VERTEX PISTON KIT

Part Number: VPX-24264B

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Estimated Ship Date: Oct 23, 2025 if ordered today

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VERTEX PISTON KT HC FORGED

Part Number: VPX-23833A

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Estimated Ship Date: Oct 23, 2025 if ordered today

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VERTEX PISTON KIT

Part Number: VPX-23965A

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Estimated Ship Date: Oct 23, 2025 if ordered today

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Repair Kit, Top End, 94.960mm Bore, 11.40 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40009-BK

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Estimated Ship Date: Oct 10, 2025 if ordered today

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