Engine Rotating Assemblies & Rebuild Kits

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: Oct 6, 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-50003K

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50019-2K

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50019-4K

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Repair Kit, Top End, 53.940mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10000K1

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Estimated Ship Date: Oct 6, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-10080-BK1

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Repair Kit, Top End, 46.940mm Bore, 8.40 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10080K1

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Estimated Ship Date: Oct 6, 2025 if ordered today

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

Part Number: NTI-NX-30000K

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Estimated Ship Date: Oct 6, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NX-70047K

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Estimated Ship Date: Oct 6, 2025 if ordered today

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S&S Cycle 2017+ M8 Models 4.250in Bore Unhoned Front Cylinder - Black Granite w/ Highlight

Part Number: SSY-910-0740

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Estimated Ship Date: Oct 6, 2025 if ordered today

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

Part Number: HRI-CBK0016

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Estimated Ship Date: Sep 26, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, Kit

Part Number: HRI-CBK0129

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Estimated Ship Date: Sep 26, 2025 if ordered today

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

Part Number: HRI-CBK0135

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Estimated Ship Date: Sep 26, 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: Sep 26, 2025 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: Sep 26, 2025 if ordered today

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COMPLETE BOTTOM END KIT

Part Number: HRI-CBK0190

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Estimated Ship Date: Sep 26, 2025 if ordered today

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3.622" stroke, internal balance, billet 4340 steel, center-counterweighted Chevrolet Gen III "LS", no reluctor

Part Number: ESP-334536236100

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Estimated Ship Date: Oct 14, 2025 if ordered today

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4.000" stroke, internal balance, billet 4340 steel, center-counterweighted Chevrolet Gen III "LS", no reluctor

Part Number: ESP-334540016100

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Estimated Ship Date: Oct 14, 2025 if ordered today

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CASE-GEAR REDUCTION

Part Number: PWD-555721

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Estimated Ship Date: Dec 10, 2025 if ordered today

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