Engine Rotating Assemblies & Rebuild Kits

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: Aug 6, 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: Aug 6, 2025 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4685128STD

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Estimated Ship Date: Aug 18, 2025 if ordered today

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ProX Engine Kit Plrs. Sptsmn800HO '08-09

Part Number: PXR-10-EK5805-A

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Estimated Ship Date: Jul 28, 2025 if ordered today

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ProX Engine Kit Plrs. RZR 800 '11-14

Part Number: PXR-10-EK5805-B1

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Estimated Ship Date: Jul 28, 2025 if ordered today

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ProX Engine Kit Plrs. Sptsmn 800 '11-14

Part Number: PXR-10-EK5806-A1

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Estimated Ship Date: Jul 28, 2025 if ordered today

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Repair Kit, Top End, 90.710mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10000-3K

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Estimated Ship Date: Jul 28, 2025 if ordered today

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Repair Kit, Top End, 91.96mm Bore, 8.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10008K1

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Estimated Ship Date: Jul 28, 2025 if ordered today

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TOP END REPAIR KIT

Part Number: NTI-NA-50025K

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Estimated Ship Date: Jul 28, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50019K

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Estimated Ship Date: Jul 28, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, KTM, 250 XC, 250 XC-W, Kit

Part Number: HRI-CBK0011

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Estimated Ship Date: Jul 21, 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 21, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Polaris, Kit

Part Number: HRI-CBK0224

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Estimated Ship Date: Jul 21, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00119

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Estimated Ship Date: Jul 21, 2025 if ordered today

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Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-10014-2K

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Estimated Ship Date: Jul 28, 2025 if ordered today

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Repair Kit, Top End, 68.95mm Bore, 9.50 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NA-10027-2K

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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 21, 2025 if ordered today

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KIT-SBC 383 3.750/4.030

Part Number: MAN-290030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 18, 2025 if ordered today

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KIT-SBC 383 3.750/4.030

Part Number: MAN-290030R

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Estimated Ship Date: Aug 18, 2025 if ordered today

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KIT-SBC 383 3.750/4.030

Part Number: MAN-290130

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Estimated Ship Date: Aug 18, 2025 if ordered today

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ROTATING ASSEMBLY KIT-SBC 383 3.750/4.030

Part Number: MAN-290130H

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Estimated Ship Date: Aug 18, 2025 if ordered today

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ROTATING ASSEMBLY KIT-SBC 383 3.750/4.030

Part Number: MAN-290130R

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Estimated Ship Date: Aug 18, 2025 if ordered today

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ROTATING ASSEMBLY KIT-SBC 383 3.750/4.030

Part Number: MAN-290130RH

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Estimated Ship Date: Aug 18, 2025 if ordered today

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KIT-SBC 434 4.000/4.125

Part Number: MAN-290200

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Estimated Ship Date: Aug 18, 2025 if ordered today

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ROTATING ASSEMBLY KIT-SBC 434 4.000/4.125

Part Number: MAN-290200H

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Estimated Ship Date: Aug 18, 2025 if ordered today

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