Engine Rotating Assemblies & Rebuild Kits

COMPLETE BOTTOM END KIT

Part Number: HRI-CBK0145

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Estimated Ship Date: May 14, 2026 if ordered today

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QB FULL TOP END SET

Part Number: QDB-56-3971

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Estimated Ship Date: May 19, 2026 if ordered today

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Cylinder Kit, Aluminum, 96.00mm Bore, for use on Honda®, Set

Part Number: CLW-10005

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Estimated Ship Date: May 27, 2026 if ordered today

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QB FULL TOP END SET

Part Number: QDB-56-3924

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Estimated Ship Date: May 18, 2026 if ordered today

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Repair Kit, Top End, 67.420mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40003-6K

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Estimated Ship Date: May 27, 2026 if ordered today

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TOP END KIT FORGED 76.95/STD YAM

Part Number: NTI-FX-40050K

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Estimated Ship Date: May 27, 2026 if ordered today

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QB FULL TOP END SET

Part Number: QDB-56-3914

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Estimated Ship Date: May 19, 2026 if ordered today

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QB FULL TOP END SET

Part Number: QDB-56-3938

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Estimated Ship Date: May 19, 2026 if ordered today

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Repair Kit, Top End, 93.47mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50004-6K

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Estimated Ship Date: Today

Repair Kit, Top End, 66.94mm Bore, High Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40002-4K

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Estimated Ship Date: May 27, 2026 if ordered today

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Repair Kit, Top End, 83.950mm Bore, 9.50 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40005-4K

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Estimated Ship Date: May 27, 2026 if ordered today

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BOTTOM END KIT

Part Number: HRI-HR00202

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Estimated Ship Date: May 13, 2026 if ordered today

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QB FULL TOP END SET

Part Number: QDB-56-4293

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Estimated Ship Date: May 18, 2026 if ordered today

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

Part Number: HRI-CBK0098

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Estimated Ship Date: May 15, 2026 if ordered today

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QB FULL TOP END SET

Part Number: QDB-56-3907

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Estimated Ship Date: May 19, 2026 if ordered today

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Repair Kit, Top End, 66.420mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40003-2K

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Estimated Ship Date: May 27, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, YFZ450R, YFZ450X, Kit

Part Number: HRI-CBK0179

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Estimated Ship Date: May 13, 2026 if ordered today

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BOTTOM END KIT

Part Number: HRI-HR00193

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Estimated Ship Date: May 14, 2026 if ordered today

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QB FULL TOP END SET

Part Number: QDB-56-3949

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Estimated Ship Date: May 19, 2026 if ordered today

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TOP END KIT FORGED 77.97/+0.01 11:1 HUSQ/KTM

Part Number: NTI-FX-70090-BK

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Estimated Ship Date: May 27, 2026 if ordered today

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