Engine Rotating Assemblies & Rebuild Kits

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-20040-2K

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Estimated Ship Date: May 18, 2026 if ordered today

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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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Estimated Ship Date: May 18, 2026 if ordered today

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Repair Kit, Top End, 89.98mm Bore, 9.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10043-2K

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Estimated Ship Date: May 18, 2026 if ordered today

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Repair Kit, Top End, 79.96mm Bore, 9.90 to 1 Compression Ratio, Arctic Cat, Kawasaki, Kit

Part Number: NTI-NA-20065K

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Estimated Ship Date: May 18, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10027-4K

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Estimated Ship Date: May 18, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-20036-6K

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Estimated Ship Date: May 18, 2026 if ordered today

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Repair Kit, Top End, 79.21mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10007-3K

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Estimated Ship Date: May 18, 2026 if ordered today

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Repair Kit, Top End, 100.670mm Bore, 9.20 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40010-4K

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Estimated Ship Date: May 18, 2026 if ordered today

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Repair Kit, Top End, 66.420mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40003-2K

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Estimated Ship Date: May 18, 2026 if ordered today

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Repair Kit, Top End, 65.920mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40003K

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Estimated Ship Date: May 18, 2026 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-152

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Estimated Ship Date: May 18, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-20065-2K

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Estimated Ship Date: May 18, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-10000-6K

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Estimated Ship Date: May 18, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70007K

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Estimated Ship Date: May 18, 2026 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-203

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Estimated Ship Date: May 18, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, YFZ450R, YFZ450X, Kit

Part Number: HRI-CBK0179

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Estimated Ship Date: May 11, 2026 if ordered today

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BOTTOM END KIT

Part Number: HRI-HR00193

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Estimated Ship Date: May 11, 2026 if ordered today

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BOTTOM END KIT

Part Number: HRI-HR00214

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Estimated Ship Date: May 11, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Suzuki, RM85, Kit

Part Number: HRI-CBK0103

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Estimated Ship Date: May 11, 2026 if ordered today

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TOP END KIT FORGED 77.97/+0.01 11:1 HUSQ/KTM

Part Number: NTI-FX-70090-BK

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Estimated Ship Date: May 19, 2026 if ordered today

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VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR101-013

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Estimated Ship Date: May 19, 2026 if ordered today

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