Engine Rotating Assemblies & Rebuild Kits

Repair Kit, Top End, 80.95mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50001-4K

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Repair Kit, Top End, 53.95mm Bore, 8.30 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30000-BK

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Repair Kit, Top End, 53.940mm Bore, 8.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40000K

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Estimated Ship Date: Oct 27, 2025 if ordered today

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VERTEX PISTON KIT

Part Number: VPX-23965A

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Estimated Ship Date: Oct 27, 2025 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-092

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Estimated Ship Date: Oct 27, 2025 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22995B

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Estimated Ship Date: Oct 27, 2025 if ordered today

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CYLINDER, STANDARD BORE KIT POLARIS

Part Number: CLW-60004-K01

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NX-20000-BK

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Repair Kit, Top End, 52.510mm Bore, 9.60 to 1 Compression Ratio, Kawasaki, Suzuki, Kit

Part Number: NTI-NX-20010-BK

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-20014-CK

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Estimated Ship Date: Oct 27, 2025 if ordered today

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TOP END GASKET KIT, TOP END REPAIR KIT (FORGED PISTON)

Part Number: NTI-FX-10035K

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50019K

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Estimated Ship Date: Oct 27, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-50024-6K

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50026-2K

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Repair Kit, Top End, 79.960mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50070K1

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Piston, NAMURA PISTON KIT

Part Number: NTI-NA-50081

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50090K

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50091-CK

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50091K

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Estimated Ship Date: Oct 27, 2025 if ordered today

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TOP END KIT TWIN CYLINDER 90.42/STD POL

Part Number: NTI-NA-50093K

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Estimated Ship Date: Oct 27, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-10000-4K

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Repair Kit, Top End, 53.960mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10000-CK

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Repair Kit, Top End, 53.940mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10000K2

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-10051K

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-10070-8K

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Estimated Ship Date: Oct 27, 2025 if ordered today

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