2004 Engine Kits & Rotating Assemblies

Rebuild Kit, Complete Bottom End, Yamaha, YZ250, Kit

Part Number: HRI-CBK0135

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Estimated Ship Date: Jan 6, 2026 if ordered today

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Repair Kit, Top End, 53.95mm Bore, 8.30 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30002K

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Repair Kit, Top End, 47.950mm Bore, 9.50 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30085-CK

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Repair Kit, Top End, 47.940mm Bore, 9.50 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30085K

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Estimated Ship Date: Jan 15, 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: Jan 15, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70000K

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Repair Kit, Top End, 46.940mm Bore, 8.20 to 1 Compression Ratio, KTM, Kit

Part Number: NTI-NX-70004K

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Repair Kit, Top End, 68.95mm Bore, 9.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10027-2K

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Repair Kit, Top End, 66.920mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40003-4K

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Repair Kit, Top End, 84.950mm Bore, 10.00 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40011-2K

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Repair Kit, Top End, 92.47mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50004-2K

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Estimated Ship Date: Jan 15, 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 15, 2026 if ordered today

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Repair Kit, Top End, 89.96mm Bore, 11.30 to 1 Compression Ratio, Arctic Cat, Kawasaki, Suzuki, Kit

Part Number: NTI-NA-30002K

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Estimated Ship Date: Jan 15, 2026 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-40019-4K

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Repair Kit, Top End, 52.500mm Bore, 9.60 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20010K

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Repair Kit, Top End, 78.96mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10007-2K

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Repair Kit, Top End, 68.70mm Bore, 9.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10027-1K

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Gasket Kit BOTTOM END KIT BOTTOM END KIT

Part Number: HRI-CBK0186

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Estimated Ship Date: Jan 6, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, Kit

Part Number: HRI-CBK0139

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Estimated Ship Date: Jan 6, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, YFZ450, Kit

Part Number: HRI-CBK0146

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Estimated Ship Date: Jan 6, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, for use on Honda®, CRF250X, Kit

Part Number: HRI-CBK0126

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Estimated Ship Date: Jan 6, 2026 if ordered today

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Repair Kit, Top End, 84.970mm Bore, 11.00 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10003K

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, YFS200 Blaster, Kit

Part Number: HRI-CBK0041

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Estimated Ship Date: Jan 7, 2026 if ordered today

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