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Engine Rotating Assemblies & Rebuild Kits

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COMPLETE BOTTOM END KIT

Part Number: HRI-CBK0187

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Estimated Ship Date: May 7, 2026 if ordered today

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Engine Rotating Kits, Pro LS Crank and Rod Kits, Forged 4340 Steel, 6.125 in. Connecting Rod Length, 3.622 in. Stroke, Chevy, 5.3L, 5.7L, 6.0L, Kit

Part Number: SUM-CR3624125

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Pro LS 4340 Piston and Rod Kit, 347 Cid., 3.903 bore, 3.622 stroke, 6.125 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR36L9033

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Pro LS 4340 Piston and Rod Kit, 410 Cid., 4.040 bore, 4.000 stroke, 6.125 rod, 8cc dish, 11.2:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR400408

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Powersports Bottom End Engine Kit, HOT ROD COMPLETE BOTTOM END KT TRX420FM / TM

Part Number: HRI-CBK0219

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Estimated Ship Date: May 7, 2026 if ordered today

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Gasket Kit BOTTOM END KIT BOTTOM END KIT

Part Number: HRI-CBK0014

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Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

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

Part Number: HRI-CBK0135

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Estimated Ship Date: May 7, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Yamaha, YZ85, Kit

Part Number: HRI-CBK0076

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Pro LS 4340 Piston and Rod Kit, 417 Cid., 4.080 bore, 4.000 stroke, 6.125 rod,, File-Fit Rings 6cc dish, 11.6:1 @ 65cc, 11:1 @ 70cc

Part Number: SUM-PR400806

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Gasket Kit HOT ROD COMP BOTTOM END KIT BA HOT ROD COMP BOTTOM END KIT BA NSHEE 350

Part Number: HRI-CBK0044

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Estimated Ship Date: May 7, 2026 if ordered today

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Gasket Kit BOTTOM END KIT BOTTOM END KIT

Part Number: HRI-CBK0092

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Estimated Ship Date: May 6, 2026 if ordered today

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

Part Number: HRI-CBK0048

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Estimated Ship Date: May 7, 2026 if ordered today

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Pro LS 4340 Piston and Rod Kit, 415 Cid., 4.065 bore, 4.000 stroke, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR4006521

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Pro LS 4340 Piston and Rod Kit, 383 Cid., 3.903 bore, 4.000 stroke, 6.125 rod, 16cc dish, 9.7:1 @ 65cc, 9.4:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR4090316

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HOT ROD COMPLETE BTM KAW KX250

Part Number: HRI-CBK0055

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Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

Pro LS 4340 Piston and Rod Kit, 367 Cid., 3.820 bore, 4.000 stroke, 6.125 rod, 12cc dish, 10:2 @ 61cc, 9.8:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR4082012

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Rebuild Kit, Complete Bottom End, KTM, Kit

Part Number: HRI-CBK0006

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Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

BOTTOM END KIT Yamaha

Part Number: HRI-CBK0079

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Estimated Ship Date: May 6, 2026 if ordered today

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

Part Number: HRI-CBK0043

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Estimated Ship Date: May 7, 2026 if ordered today

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Rebuild Kit, Complete Bottom End, Kawasaki, KX125, Kit

Part Number: HRI-CBK0091

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BOTTOM END KIT Polaris

Part Number: HRI-HR00109

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Estimated Ship Date: May 7, 2026 if ordered today

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BOTTOM END KIT Polaris

Part Number: HRI-HR00118

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Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

BOTTOM END KIT Polaris

Part Number: HRI-HR00106

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Estimated Ship Date: May 7, 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 7, 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 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today