Engine Rotating Assemblies & Rebuild Kits

Pro LS 4340 Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 58x, 6.098 rod, 12cc dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R583603012

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Pro LS 4340 Piston and Rod Kit, 417 Cid., 4.075 bore, 4.000 stroke, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 11:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR400756

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Pro LS Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 58x, 6.098 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58360302

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Engine Rebuild, Hypereutectic Flat Top, Plasmamoly Rings, Stock Bore, .010 in Under Bearings, Chevy, 5.7L, Kit

Part Number: CMB-08-0077

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Engine Rebuild Kit, Hypereutectic Flat Top, Plasmamoly Rings, Stock Bore, .010 in. Under Bearings, Chevy, LS

Part Number: CMB-08-0069

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HD IN-FRAME KIT

Part Number: CLE-4685133STD

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Estimated Ship Date: Sep 15, 2025 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4805021STD

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Estimated Ship Date: Sep 15, 2025 if ordered today

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ROTATING ASSEMBLY

Part Number: CPI-KV1291H-CS

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Estimated Ship Date: Oct 30, 2025 if ordered today

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HD IN-FRAME KIT, STD

Part Number: CLE-4595434STD

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Estimated Ship Date: Oct 3, 2025 if ordered today

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HD IN-FRAME KIT

Part Number: CLE-4595442STD

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Estimated Ship Date: Oct 3, 2025 if ordered today

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BOTTOM END KIT Yamaha

Part Number: HRI-HR00112

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Estimated Ship Date: Sep 5, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00116

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Estimated Ship Date: Sep 5, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00121

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Estimated Ship Date: Sep 5, 2025 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00122

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Estimated Ship Date: Sep 5, 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: Sep 5, 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: Sep 5, 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: Sep 5, 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: Sep 5, 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: Sep 5, 2025 if ordered today

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

Part Number: HRI-CBK0131

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Estimated Ship Date: Sep 5, 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 5, 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: Sep 5, 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 5, 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: Sep 5, 2025 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, YFM660F, YXR66F, Kit

Part Number: HRI-CBK0152

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Estimated Ship Date: Sep 5, 2025 if ordered today

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