Engine Kits & Rotating Assemblies

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: Aug 4, 2025 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50080-BK1

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Estimated Ship Date: Aug 4, 2025 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50080K1

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50080K2

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50081-BK

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22481CD

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Estimated Ship Date: Aug 4, 2025 if ordered today

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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-VTK22813CD

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22860B

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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-VTK23140C

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK23429CD

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 4, 2025 if ordered today

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Repair Kit, Top End, 84.96mm Bore, 9.30 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NA-20075K

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Estimated Ship Date: Aug 4, 2025 if ordered today

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BORE KIT - 88CC

Part Number: BRM-411-HXR-7001

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QB FULL TOP END SET

Part Number: QDB-56-4293

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Estimated Ship Date: Jul 29, 2025 if ordered today

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Top End Engine Kits CYL WORKS STD BORE POWER VALVE CYL WORKS STD BORE POWER VALVE YZ250 '99-15

Part Number: CLW-CW-PV-K01

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 4, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10001-3K

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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: Aug 4, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50012-2K

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Estimated Ship Date: Aug 4, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-20017K

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30014K

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Repair Kit, Top End, 87.45mm Bore, 10.20 to 1 Compression Ratio, Arctic Cat, Suzuki, Kit

Part Number: NTI-NA-30050K

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Estimated Ship Date: Aug 4, 2025 if ordered today

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TOP END KIT HYPERDRYVE 94.96/+0.01 11.4:1 YAM

Part Number: NTI-NA-40009-BHK

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Estimated Ship Date: Aug 4, 2025 if ordered today

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Repair Kit, Top End, 84.450mm Bore, 10.00 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40011K

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Estimated Ship Date: Aug 4, 2025 if ordered today

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Repair Kit, Top End, 92.47mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50004-2K

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Estimated Ship Date: Aug 4, 2025 if ordered today

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