Engine Rotating Assemblies & Rebuild Kits

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30008-4K

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Estimated Ship Date: May 18, 2026 if ordered today

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Repair Kit, Top End, 79.950mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50080K

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Estimated Ship Date: May 18, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-20031-BK1

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Estimated Ship Date: May 18, 2026 if ordered today

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Repair Kit, Top End, 53.950mm Bore, 8.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40000-BK

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Estimated Ship Date: May 18, 2026 if ordered today

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Repair Kit, Top End, 86.48mm Bore, 9.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10042K

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Estimated Ship Date: May 18, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-10070-8K

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Estimated Ship Date: May 18, 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: May 18, 2026 if ordered today

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Repair Kit, Top End, 84.44mm Bore, 6.90 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50002-6K

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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-70000-BK

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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-40025-BK

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Estimated Ship Date: May 18, 2026 if ordered today

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

Part Number: NTI-NA-50003K

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Estimated Ship Date: May 18, 2026 if ordered today

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Repair Kit, Top End, 91.96mm Bore, 9.20 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10008K

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Estimated Ship Date: Today

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30025-4K

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Estimated Ship Date: May 18, 2026 if ordered today

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

Part Number: NTI-NX-20013K

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Estimated Ship Date: May 18, 2026 if ordered today

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Repair Kit, Top End, 53.960mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10000-CK

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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-70020K

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Estimated Ship Date: May 18, 2026 if ordered today

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TOP END KIT FORGED 77.96/STD 11:1 HUSQ/KTM

Part Number: NTI-FX-70090K

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Estimated Ship Date: May 18, 2026 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: May 18, 2026 if ordered today

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TOP END GASKET KIT, TOP END REPAIR KIT

Part Number: NTI-NX-70029-BK3

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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-70002-6BK

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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-10008-6K

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Estimated Ship Date: May 18, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10043-1K

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Estimated Ship Date: May 18, 2026 if ordered today

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VERTEX PISTON KIT

Part Number: VPX-VTKTC23908A

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Estimated Ship Date: May 18, 2026 if ordered today

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Pro LS 4340 Rotating Assembly, 408 Cid., 4.030 bore, 4.000 stroke, 24X, 6.125 rod, 20cc dish, 9.8:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R244003020

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Pro LS Piston and Rod Kit, 364 Cid., 4.000 bore, 3.622 stroke, 6.098 rod, 2cc Flat Top, 10.7:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR360002

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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