Engine Kits & Rotating Assemblies

Repair Kit, Top End, 83.44mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002-2K

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Repair Kit, Top End, 91.97mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50004K

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Repair Kit, Top End, 86.98mm Bore, 9.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10042-2K

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Repair Kit, Top End, 76.45mm Bore, 8.20 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20000-2K

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Estimated Ship Date: Apr 6, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22991A

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TOP END REPAIR KIT

Part Number: NTI-NA-30053K

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Repair Kit, Top End, 68.95mm Bore, 9.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10027-2K

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TOP END KIT FORGED 76.96/STD 11:1 SUZ

Part Number: NTI-FX-30039K

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTKTC24258

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TOP END KIT 71.95/+0.01 11:1 KTM

Part Number: NTI-NX-70034-BK1

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TOP END KIT 87.96/STD HUSQ/KTM

Part Number: NTI-NX-70062K2

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Repair Kit, Top End, 66.370mm Bore, 10.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40025-CKA

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Estimated Ship Date: Apr 6, 2026 if ordered today

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VERTEX PISTON KIT-FORGED

Part Number: VPX-24265B

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK23430CD

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22803B

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22854B

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TOP END REPAIR KIT

Part Number: NTI-NA-50024K

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TOP END REPAIR KIT

Part Number: NTI-NA-40007K

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Repair Kit, Top End, 76.95mm Bore, 8.20 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20000-4K

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Estimated Ship Date: Apr 6, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-50024-6K

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Repair Kit, Top End, 82.96mm Bore, 9.00 to 1 Compression Ratio, Arctic Cat, Suzuki, Kit

Part Number: NTI-NA-30010-4K

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Estimated Ship Date: Apr 6, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-50070-CK1

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TOP END REPAIR KIT

Part Number: NTI-NA-50070K

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TOP END KIT 92.97/+0.01 11:1 POL

Part Number: NTI-NA-50098-BK

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Estimated Ship Date: Apr 6, 2026 if ordered today

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Repair Kit, Top End, 86.48mm Bore, 9.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10043K

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Estimated Ship Date: Apr 6, 2026 if ordered today

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