Engine Rotating Assemblies & Rebuild Kits

Repair Kit, Top End, 81.45mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50001-6K

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Estimated Ship Date: Aug 5, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-50001K

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Estimated Ship Date: Aug 5, 2025 if ordered today

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Repair Kit, Top End, 75.47mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50003-4K

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Estimated Ship Date: Aug 5, 2025 if ordered today

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Repair Kit, Top End, 75.97mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50003-6K

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Estimated Ship Date: Aug 5, 2025 if ordered today

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Repair Kit, Top End, 92.97mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50004-4K

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50011-4K

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50011-6K

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50012-4K

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50012-BK

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50012K

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50019-4K

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50019-6K

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Gasket Kit BOTTOM END KIT BOTTOM END KIT

Part Number: HRI-CBK0092

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Estimated Ship Date: Jul 28, 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: Jul 28, 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: Jul 28, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, KTM, 85 SX, Kit

Part Number: HRI-CBK0107

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Estimated Ship Date: Jul 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: Jul 28, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Suzuki, LT-R450 QuadRacer, Kit

Part Number: HRI-CBK0112

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Estimated Ship Date: Jul 28, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, YFM700, YXR700F, Kit

Part Number: HRI-CBK0115

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Estimated Ship Date: Jul 28, 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: Jul 28, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Polaris, 800, Kit

Part Number: HRI-CBK0123

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Estimated Ship Date: Jul 28, 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: Jul 28, 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: Jul 28, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Kawasaki, Kit

Part Number: HRI-CBK0127

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Estimated Ship Date: Jul 28, 2025 if ordered today

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

Part Number: HRI-CBK0138

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Estimated Ship Date: Jul 28, 2025 if ordered today

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