Engine Kits & Rotating Assemblies

TOP END REPAIR KIT

Part Number: NTI-NA-40004-6K

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Estimated Ship Date: Aug 11, 2025 if ordered today

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Repair Kit, Top End, 99.970mm Bore, 9.20 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40004K

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Repair Kit, Top End, 83.000mm Bore, 8.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40006K

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TOP END REPAIR KIT

Part Number: NTI-NX-10025-2K

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TOP END REPAIR KIT

Part Number: NTI-NX-10026K

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Repair Kit, Top End, 66.340mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10026K1

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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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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-20031-BK1

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22481CD

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22584B-2

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22685C-1

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22926B

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK23429CD

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Estimated Ship Date: Aug 11, 2025 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22813CD

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22860B

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Estimated Ship Date: Aug 11, 2025 if ordered today

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