Engine Kits & Rotating Assemblies

VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22447-1

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Estimated Ship Date: Tomorrow if ordered today

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TOP END KIT FR WITH CAM CHAIN

Part Number: VPX-VTKTC23510A

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-40013-BK

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50012K

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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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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: Nov 21, 2025 if ordered today

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PISTON, 2014-2026

Part Number: MOP-68230025AC

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TOP END REPAIR KIT

Part Number: NTI-NX-10026-BK

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PISTON, 2014-2026

Part Number: MOP-68230024AC

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Racing Spring Kit, Titanium, 0.435" Lift, Honda®, CRF 250R/RX, 2018-2021

Part Number: KPM-30-33600

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Racing Spring Kit, Titanium, 0.450" Lift, Kawasaki®, KX 250's, 2020-2023

Part Number: KPM-40-41600

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Racing Spring Kit, HT Steel, 0.520" Lift, Indian®, Challengers (All), 2020-2023

Part Number: KPM-82-85000

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Racing Spring Kit, Titanium, 0.450" Lift, Polaris®, Various 570's, 2014-2023

Part Number: KPM-82-86000

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Racing Spring Kit, HT Steel, 0.450" Lift, Polaris®, Various 570's, 2014-2023

Part Number: KPM-82-86010

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50012-BK

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TOP END REPAIR KIT

Part Number: NTI-NA-10043-3K

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TOP END REPAIR KIT

Part Number: NTI-NA-20036-6K

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PISTON, B-SIZE, 2012-2020

Part Number: MOP-68165766AB

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TOP END REPAIR KIT

Part Number: NTI-NA-40010-6K

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30014-BK

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Estimated Ship Date: Nov 10, 2025 if ordered today

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

Part Number: NTI-FX-10035-BK

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Estimated Ship Date: Nov 11, 2025 if ordered today

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TOP END KIT FHC WITH CAM CHAIN

Part Number: VPX-VTKTC23862B

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Estimated Ship Date: Nov 11, 2025 if ordered today

• Oversize $6.99
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Repair Kit, Top End, 81.45mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50001-6K

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TOP END REPAIR KIT

Part Number: NTI-NA-50024-6K

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Estimated Ship Date: Nov 3, 2025 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50080K2

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Estimated Ship Date: Nov 3, 2025 if ordered today

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