Engine Rotating Assemblies & Rebuild Kits

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

Part Number: NTI-NA-40004K

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Estimated Ship Date: Sep 16, 2025 if ordered today

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Repair Kit, Top End, 83.000mm Bore, 8.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40006K

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Estimated Ship Date: Sep 16, 2025 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: Sep 16, 2025 if ordered today

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Repair Kit, Top End, 84.920mm Bore, 9.10 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40008-2K

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Estimated Ship Date: Sep 16, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-40008-4K

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Estimated Ship Date: Sep 16, 2025 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: Sep 16, 2025 if ordered today

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TOP END KIT HYPERDRYVE 94.96/+0.01 11.4:1 YAM

Part Number: NTI-NA-40009-BHK

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Estimated Ship Date: Sep 16, 2025 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-40010-2K

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Estimated Ship Date: Sep 16, 2025 if ordered today

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Repair Kit, Top End, 100.670mm Bore, 9.20 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40010-4K

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Estimated Ship Date: Sep 16, 2025 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: Sep 16, 2025 if ordered today

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Repair Kit, Top End, 85.450mm Bore, 10.00 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40011-4K

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Estimated Ship Date: Sep 16, 2025 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-40013-BK

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Estimated Ship Date: Sep 16, 2025 if ordered today

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Piston, TOP END REPAIR KIT

Part Number: NTI-NA-40013-CK

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Estimated Ship Date: Sep 16, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, Kit

Part Number: HRI-CBK0088

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Kawasaki, KX65, Kit

Part Number: HRI-CBK0100

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Suzuki, RM85, Kit

Part Number: HRI-CBK0103

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, YFM66F, YXR66F, Kit

Part Number: HRI-CBK0116

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, for use on Honda®, CRF450R, Kit

Part Number: HRI-CBK0124

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Suzuki, LT250R Quadracer, Kit

Part Number: HRI-CBK0065

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Gasket Kit BOTTOM END KIT BOTTOM END KIT

Part Number: HRI-CBK0074

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Estimated Ship Date: Sep 8, 2025 if ordered today

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

Part Number: HRI-CBK0080

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, KTM, 65 SX, Kit

Part Number: HRI-CBK0085

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, for use on Honda®, CRF450R, Kit

Part Number: HRI-CBK0086

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, YZ250F, Kit

Part Number: HRI-CBK0087

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Estimated Ship Date: Sep 8, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, for use on Honda®, TRX450R, TRX450ER, Kit

Part Number: HRI-CBK0106

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Estimated Ship Date: Sep 8, 2025 if ordered today

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