Engine Rotating Assemblies & Rebuild Kits

Repair Kit, Top End, 84.970mm Bore, 11.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10003K

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Repair Kit, Top End, 74.45mm Bore, 8.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10005-2K

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-40080-2K

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Repair Kit, Top End, 73.46mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50000-6K

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TOP END REPAIR KIT

Part Number: NTI-NA-50001-2K

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Repair Kit, Top End, 81.45mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50001-6K

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TOP END REPAIR KIT

Part Number: NTI-NA-50001K

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Repair Kit, Top End, 75.47mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50003-4K

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Repair Kit, Top End, 75.97mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50003-6K

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Repair Kit, Top End, 92.97mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50004-4K

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50011-4K

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50011-6K

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50012-4K

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50012-BK

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50012K

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50019-4K

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50019-6K

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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 5, 2025 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTKTC23623B

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00003

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00006

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Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 8.80 ro 1 Compression, for use on Honda®, Kit

Part Number: VPX-WR00007

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00011

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00017

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