Engine Kits & Rotating Assemblies

Repair Kit, Top End, 99.970mm Bore, 9.20 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40010K

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Estimated Ship Date: Nov 12, 2026 if ordered today

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

Part Number: NTI-NX-20013-BK

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Estimated Ship Date: Nov 12, 2026 if ordered today

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Repair Kit, Top End, 66.350mm Bore, 10.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40025KA

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Estimated Ship Date: Nov 12, 2026 if ordered today

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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: Nov 12, 2026 if ordered today

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Engine Rebuild Kit 93-91 JEP 2.5L

Part Number: EGN-RMJ150D-000

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Estimated Ship Date: Nov 16, 2026 if ordered today

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Engine Rebuild Kit 06-96 CHV/GMC 4.3L

Part Number: EGN-RMC262AP-300

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Estimated Ship Date: Nov 16, 2026 if ordered today

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Engine Rebuild Kit 93-91 JEP 2.5L

Part Number: EGN-RMJ150D-200

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Estimated Ship Date: Nov 16, 2026 if ordered today

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Engine Rebuild Kit 76-72 FRD 5.0L

Part Number: EGN-RMF302B-600

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Estimated Ship Date: Nov 16, 2026 if ordered today

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Engine Rebuild Kit 13-07 TOY 2.4L

Part Number: EGN-RMTO24CP-222

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Estimated Ship Date: Nov 17, 2026 if ordered today

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Repair Kit, Top End, 92.46mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10008-2K1

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Estimated Ship Date: Nov 12, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-10012-6K

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Estimated Ship Date: Nov 12, 2026 if ordered today

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PISTON KIT - 195CC BORE KIT

Part Number: BRM-411-HCF-1911

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Estimated Ship Date: Nov 12, 2026 if ordered today

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Repair Kit, Top End, 95.500mm Bore, 8.50 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40007-2K

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Estimated Ship Date: Nov 12, 2026 if ordered today

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Repair Kit, Top End, 100.470mm Bore, 9.20 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40004-2K

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Estimated Ship Date: Nov 12, 2026 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: Nov 12, 2026 if ordered today

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Engine Rebuild Kit 72-67 FRD 4.7L/5.0L

Part Number: EGN-RMF302AP-321

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Estimated Ship Date: Nov 17, 2026 if ordered today

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

Part Number: NTI-NA-20005K

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Estimated Ship Date: Nov 12, 2026 if ordered today

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VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22809B

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Estimated Ship Date: Nov 12, 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-BKA

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Estimated Ship Date: Nov 12, 2026 if ordered today

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

Part Number: NTI-FX-40032-BK

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Estimated Ship Date: Nov 12, 2026 if ordered today

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Repair Kit, Top End, 78.71mm Bore, 8.90 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10007-1K

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Estimated Ship Date: Nov 11, 2026 if ordered today

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Repair Kit, Top End, 84.420mm Bore, 9.10 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40008K

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Estimated Ship Date: Nov 11, 2026 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NX-20014K

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Estimated Ship Date: Nov 11, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-30050-BK

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Estimated Ship Date: Nov 11, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-10025K

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Estimated Ship Date: Nov 11, 2026 if ordered today

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