Engine Kits & Rotating Assemblies

Repair Kit, Top End, 75.97mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50003-6K

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50026K

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50080K1

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Estimated Ship Date: Jan 12, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22581B

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Estimated Ship Date: Jan 12, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22685C

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Estimated Ship Date: Jan 12, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22685C-1

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Estimated Ship Date: Jan 12, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22813CD

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Estimated Ship Date: Jan 12, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22860B

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Estimated Ship Date: Jan 12, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22863B-1

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Estimated Ship Date: Jan 12, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22926B

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Estimated Ship Date: Jan 12, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22926C

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Estimated Ship Date: Jan 12, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTKTC24258

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Estimated Ship Date: Jan 12, 2026 if ordered today

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VERTEX PISTON KT HC FORGED

Part Number: VPX-23833A

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Estimated Ship Date: Jan 12, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK23630A-1

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Estimated Ship Date: Jan 12, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTKTC23104

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Estimated Ship Date: Jan 12, 2026 if ordered today

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TOP END KIT FR WITH CAM CHAIN

Part Number: VPX-VTKTC23311B

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30015K

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Estimated Ship Date: Jan 6, 2026 if ordered today

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Repair Kit, Top End, 66.360mm Bore, 10.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40025-CK

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Estimated Ship Date: Jan 6, 2026 if ordered today

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Engine Re-Ring, Moly, 3.736 in. Bore, .030 in. Rod, .020 in. Main, Chevy, 305, Kit

Part Number: FEM-205-6024M032

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Estimated Ship Date: Tomorrow if ordered today

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Repair Kit, Top End, 88.95mm Bore, 11.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10004K

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Estimated Ship Date: Jan 12, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10042-4K

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Estimated Ship Date: Jan 12, 2026 if ordered today

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

Part Number: NTI-FX-10045-BK2

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-10012K

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Engine Re-Ring, Moly, 3.875 in. Bore, Standard Rod, Jeep, 4.0, Kit

Part Number: FEM-2056879000

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Estimated Ship Date: Tomorrow if ordered today

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Repair Kit, Top End, 66.340mm Bore, 8.70 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10025K

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Estimated Ship Date: Dec 29, 2025 if ordered today

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