Engine Kits & Rotating Assemblies

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

Part Number: NTI-NA-50080-BK

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Engine Rebuild Kits, Re-Ring, 4.030 in. Bore, 0.010 in. Rod Bearing Crank Undersize, 0.010 in. Main Bearing Crank Undersize, Gaskets, Chevrolet, Kit

Part Number: FEM-205-6284M311

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Engine Re-Ring, Cast, 3.910 in. Bore, Standard Rod, Dodge, 318, Kit

Part Number: FEM-205717-01

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Engine Re-Ring, Cast, 4 in. Bore, Standard Rod, Standard Mains, Ford, 351W, Kit

Part Number: FEM-205261M-000

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Engine Re-Ring, Moly, 4.030 in. Bore, Standard Rod, Standard Main, Ford, 351W, Kit

Part Number: FEM-2056116M300

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK23430CD

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Estimated Ship Date: Sep 26, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-50070K

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Estimated Ship Date: Sep 29, 2025 if ordered today

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Repair Kit, Top End, 91.96mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10008K1

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Estimated Ship Date: Sep 29, 2025 if ordered today

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Cylinder Head NAMURA TOP END REPAIR KIT NAMURA TOP END REPAIR KIT

Part Number: NTI-NA-10014K

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Estimated Ship Date: Sep 29, 2025 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22995B

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Estimated Ship Date: Sep 29, 2025 if ordered today

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QB FULL TOP END SET

Part Number: QDB-56-4293

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Estimated Ship Date: Sep 22, 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

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Estimated Ship Date: Sep 29, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-40007-4K

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Estimated Ship Date: Sep 29, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-40007K

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Estimated Ship Date: Sep 29, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-40010-6K

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Estimated Ship Date: Sep 29, 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: Sep 29, 2025 if ordered today

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Repair Kit, Top End, 101.980mm Bore, 9.40 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40012-BK

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Estimated Ship Date: Sep 29, 2025 if ordered today

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Repair Kit, Top End, 101.970mm Bore, 9.40 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40012K

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Estimated Ship Date: Sep 29, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-50001K

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Estimated Ship Date: Sep 29, 2025 if ordered today

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Repair Kit, Top End, 82.94mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002K

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Estimated Ship Date: Sep 29, 2025 if ordered today

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TOP END GASKET KIT, TOP END REPAIR KIT

Part Number: NTI-NX-70029K3

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Estimated Ship Date: Sep 29, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-70036K

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Estimated Ship Date: Sep 29, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70051K

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Estimated Ship Date: Sep 29, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40026-BK

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Estimated Ship Date: Sep 29, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40026-BKA

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Estimated Ship Date: Sep 29, 2025 if ordered today

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