Engine Rotating Assemblies & Rebuild Kits

Repair Kit, Top End, 53.96mm Bore, Suzuki, Kit

Part Number: NTI-NX-30000K

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Estimated Ship Date: Nov 6, 2025 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: Nov 6, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-40000-CK1

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Estimated Ship Date: Nov 6, 2025 if ordered today

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Repair Kit, Top End, 53.940mm Bore, 8.90 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40000K

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Estimated Ship Date: Nov 6, 2025 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: Oct 28, 2025 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: Oct 28, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Stroker Crank, Yamaha, Kit

Part Number: HRI-CBK0150

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Estimated Ship Date: Oct 28, 2025 if ordered today

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Gasket Kit BOTTOM END KIT BOTTOM END KIT

Part Number: HRI-CBK0192

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Estimated Ship Date: Oct 28, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, Kit

Part Number: HRI-CBK0205

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Estimated Ship Date: Oct 28, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00107

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Estimated Ship Date: Oct 28, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00111

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Estimated Ship Date: Oct 28, 2025 if ordered today

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

Part Number: HRI-CBK0017

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Estimated Ship Date: Oct 28, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Suzuki, RM250, Kit

Part Number: HRI-CBK0026

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Estimated Ship Date: Oct 28, 2025 if ordered today

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Gasket Kit HOT ROD COMP BOTTOM END KIT BA HOT ROD COMP BOTTOM END KIT BA NSHEE 350

Part Number: HRI-CBK0044

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Estimated Ship Date: Oct 28, 2025 if ordered today

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

Part Number: HRI-CBK0045

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Estimated Ship Date: Oct 28, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Kawasaki, Kit

Part Number: HRI-CBK0061

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Estimated Ship Date: Oct 28, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, KTM, 144 SX, 150 SX, 150 XC, Kit

Part Number: HRI-CBK0063

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Estimated Ship Date: Oct 28, 2025 if ordered today

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BOTTOM END KIT Yamaha

Part Number: HRI-CBK0075

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Estimated Ship Date: Oct 28, 2025 if ordered today

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Gasket Kit BOTTOM END KIT BOTTOM END KIT

Part Number: HRI-CBK0092

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Estimated Ship Date: Oct 28, 2025 if ordered today

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

Part Number: HRI-CBK0109

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Estimated Ship Date: Oct 28, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, YZ450F, Kit

Part Number: HRI-CBK0110

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Estimated Ship Date: Oct 28, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Kawasaki, Kit

Part Number: HRI-CBK0118

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Estimated Ship Date: Oct 28, 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-40004-2K

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Estimated Ship Date: Nov 7, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-40004-6K

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Estimated Ship Date: Nov 7, 2025 if ordered today

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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: Nov 7, 2025 if ordered today

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