Engine Rotating Assemblies & Rebuild Kits

Summit Racing™ Pro LS Piston and Rod Kits SUM-PR369033

Pro LS 4340 Piston and Rod Kit, 347 Cid., 3.903 bore, 3.622 stroke, 6.098 rod, 3cc dome, 11:1 @ 65cc, 10.6:1 @ 68cc, File-Fit Rings

Part Number: SUM-PR369033

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Summit Racing™ Pro LS Piston and Rod Kits SUM-PR36L0402

Pro LS Piston and Rod Kit, 371 Cid., 4.040 bore, 3.622 stroke, 6.125 rod, 2cc Flat Top, 10.9:1 @ 65cc, 10.3:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L0402

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Summit Racing™ Pro LS Piston and Rod Kits SUM-PR36L08012

Pro LS 4340 Piston and Rod Kit, 378 Cid., 4.075 bore, 3.622 stroke, 6.125 rod, 12cc dish, 9.9:1 @ 65cc, 9.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L08012

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Summit Racing™ Pro LS Piston and Rod Kits SUM-PR36L0802

Pro LS 4340 Piston and Rod Kit, 378 Cid., 4.080 bore, 3.622 stroke, 6.125 rod, 2cc dome, 11.6:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L0802

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Hot Rods Complete Bottom End Rebuild Kits CBK0043

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

Part Number: HRI-CBK0043

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Estimated Ship Date: Sep 22, 2025 if ordered today

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Estimated Ship Date: Sep 22, 2025 if ordered today

Hot Rods Complete Bottom End Rebuild Kits for 1999-2004 TRX400EX SPORTRAX - CBK0080

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

Part Number: HRI-CBK0080

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

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Estimated Ship Date: Sep 22, 2025 if ordered today

Hot Rods Complete Bottom End Rebuild Kits CBK0082

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

Part Number: HRI-CBK0082

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

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Estimated Ship Date: Sep 22, 2025 if ordered today

Namura Technologies Top-End Repair Kits NA-50003-2K

Repair Kit, Top End, 74.97mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit

Part Number: NTI-NA-50003-2K

Not Yet Reviewed

Estimated Ship Date: Sep 30, 2025 if ordered today

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Estimated Ship Date: Sep 30, 2025 if ordered today

Namura Powersports Top End Engine Kits NX-30080-BK

TOP END REPAIR KIT

Part Number: NTI-NX-30080-BK

Not Yet Reviewed

Estimated Ship Date: Sep 30, 2025 if ordered today

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Estimated Ship Date: Sep 30, 2025 if ordered today

Namura Technologies Top-End Repair Kits NX-70000K

TOP END REPAIR KIT

Part Number: NTI-NX-70000K

Not Yet Reviewed

Estimated Ship Date: Sep 30, 2025 if ordered today

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Estimated Ship Date: Sep 30, 2025 if ordered today

Namura Powersports Top End Engine Kits NX-70002-6CK

TOP END REPAIR KIT

Part Number: NTI-NX-70002-6CK

Not Yet Reviewed

Estimated Ship Date: Sep 30, 2025 if ordered today

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Estimated Ship Date: Sep 30, 2025 if ordered today

Clevite Engine Parts Engine Rebuild Kits 456-5031 STD

HD IN-FRAME KIT

Part Number: CLE-4565031STD

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

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Estimated Ship Date: Oct 2, 2025 if ordered today

Namura Technologies Top-End Repair Kits for 2004-2013 YFZ450, 2006-2007 YFZ450 BILL BALANCE EDITION, 2007-2008 YFZ450 SE - NA-40009-BK

Repair Kit, Top End, 94.960mm Bore, 11.40 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NA-40009-BK

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Estimated Ship Date: Sep 25, 2025 if ordered today

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Estimated Ship Date: Sep 25, 2025 if ordered today

Clevite Engine Parts Engine Rebuild Kits 456-5050 STD

HD IN-FRAME KIT

Part Number: CLE-4565050STD

Not Yet Reviewed

Estimated Ship Date: Oct 7, 2025 if ordered today

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Estimated Ship Date: Oct 7, 2025 if ordered today

Vertex Complete Engine Rebuild Kits WR00011