Engine Rotating Assemblies & Rebuild Kits

Rebuild Kit, Complete Bottom End, for use on Honda®, CR250R, Kit

Part Number: HRI-CBK0031

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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Rebuild Kit, Complete Bottom End, Suzuki, RMZ250, Kit

Part Number: HRI-CBK0173

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Estimated Ship Date: May 4, 2026 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: May 4, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, YFM350 Raptor, YFM350X Warrior, Kit

Part Number: HRI-CBK0082

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Estimated Ship Date: May 4, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, Kit

Part Number: HRI-CBK0083

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Estimated Ship Date: May 4, 2026 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00111

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Estimated Ship Date: May 4, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, YFZ 350 Banshee, Kit

Part Number: HRI-CBK0039

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Estimated Ship Date: May 4, 2026 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00118

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Estimated Ship Date: May 4, 2026 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00106

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Estimated Ship Date: May 4, 2026 if ordered today

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Pro LS 4340 Piston and Rod Kit, 367 Cid., 3.820 bore, 4.000 stroke, 6.125 rod, 5cc dish, 11:1 @ 61cc, 10.5:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR408205

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

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

Part Number: HRI-CBK0115

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 4, 2026 if ordered today

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Engine Rotating Kits, Pro LS Crank and Rod Kits, Forged 4340 Steel, 6.098 in. Connecting Rod Length, 4.000 in. Stroke, Chevy, 5.3L, 5.7L, 6.0L, Kit

Part Number: SUM-CR4024098

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Rebuild Kit, Complete Bottom End, Yamaha, YZ250F, Kit

Part Number: HRI-CBK0087

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Estimated Ship Date: May 4, 2026 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: May 4, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Arctic Cat, Kawasaki, Suzuki, Kit

Part Number: HRI-CBK0096

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Estimated Ship Date: May 4, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, KTM, 65 SX, 65 XC, Kit

Part Number: HRI-CBK0073

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Estimated Ship Date: May 4, 2026 if ordered today

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COMPLETE BOTTOM END KT

Part Number: HRI-CBK0191

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Estimated Ship Date: May 4, 2026 if ordered today

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BOTTOM END KIT

Part Number: HRI-CBK0013

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Estimated Ship Date: May 1, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Kawasaki, Kit

Part Number: HRI-CBK0118

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Estimated Ship Date: May 4, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, YZ125, Kit

Part Number: HRI-CBK0090

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Estimated Ship Date: May 4, 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 4, 2026 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00122

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Estimated Ship Date: May 4, 2026 if ordered today

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Gasket Kit BOTTOM END KIT BOTTOM END KIT

Part Number: HRI-CBK0074

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Estimated Ship Date: May 4, 2026 if ordered today

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

Part Number: HRI-CBK0111

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Estimated Ship Date: May 4, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, for use on Honda®, CRF250R, Kit

Part Number: HRI-CBK0128

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Estimated Ship Date: May 4, 2026 if ordered today

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