Engine Rotating Assemblies & Rebuild Kits

Summit Racing™ Pro LS Piston and Rod Kits SUM-PR36L00012

Pro LS 4340 Piston and Rod Kit, 364 Cid., 4.000 bore, 3.622 stroke, 6.125 rod, 12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L00012

Not Yet Reviewed

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Federal Mogul Engine Rebuild Kits 205715M-030

RERING KIT

Part Number: FEM-205715M-030

Not Yet Reviewed

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Clevite Engine Parts Engine Rebuild Kits 489-5001 STD

HD IN-FRAME KIT

Part Number: CLE-4895001STD

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1992-2003 KX250 - NX-20025-4K

Repair Kit, Top End, 67.35mm Bore, 8.60 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20025-4K

Not Yet Reviewed

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Vertex Top-End Piston Kits for 2000-2025 KX65, 2003-2005 RM65 - VTK22860B

VERTEX TOP END PISTON KIT

Part Number: VPX-VTK22860B

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Summit Racing™ Chevy 350 Engine Kit Pro Packs SES-3483000050

Engine Kit, Crank, Moly Ring, Rod, Main, Gaskets, Oil Pump, Timing Set, Chevy, 355, Kit

Part Number: SES-3483000050

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

Summit Racing™ Chevy 350 Engine Kit Pro Packs SES-3480000000

Engine Kit, Moly Ring, Rod, Main, Gaskets, Oil Pump, Timing Set, Chevy, Small Block, 350, Kit

Part Number: SES-3480000000

Not Yet Reviewed

Cannot be shipped Internationally

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Cannot be shipped Internationally

Cylinder Works Standard Bore Cylinder Kits for 2001-2004 WR250F, YZ250F - 422-20002K

Top End Engine Kits STANDARD BORE CYLINDER KIT STANDARD BORE CYLINDER KIT

Part Number: CLW-20002-K01

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1995-1998 YZ250 - NX-40026KA

Repair Kit, Top End, 67.94mm Bore, 10.60 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40026KA

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1989-2003 RM125 - NX-30000-BK

Repair Kit, Top End, 53.95mm Bore, 8.30 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30000-BK

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

Summit Racing™ Pro LS 6.0L Rotating Assemblies SUM-R2436L03012

Pro LS 4340 Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 24X, 6.125 rod, 12cc Dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit rings, H Bearings

Part Number: SUM-R2436L03012

Not Yet Reviewed

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Namura Technologies Top-End Repair Kits for 1987-1993 LT230E QUADRUNNER, 1985-1986 LT230GE, 1985-1988 LT230S QUADSPORT - NA-30000K

Repair Kit, Top End, 65.97mm Bore, 9.20 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NA-30000K

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Eagle Street and Strip Rotating Assemblies B13202L00053

Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Piston, I-Beam Rod, Chevy, Small Block, Kit

Part Number: ESP-B13202L00053

Not Yet Reviewed

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Hot Rods Complete Bottom End Rebuild Kits for 2009 KX250F - CBK0127

Rebuild Kit, Complete Bottom End, Kawasaki, Kit

Part Number: HRI-CBK0127

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Summit Racing™ Pro LS 6.0L Rotating Assemblies SUM-R58400058

Pro LS 4340 Rotating Assembly, 403 Cid., 4.005 bore, 4.000 stroke, 58x, 6.125 rod, 8cc dish, 11:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R58400058

Not Yet Reviewed

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Summit Racing™ Pro LS 6.0L Rotating Assemblies SUM-R583600012

Pro LS 4340 Rotating Assembly, 364 Cid., 4.000 bore, 3.622 stroke, 58x, 6.098 rod, 12cc dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R583600012

Not Yet Reviewed

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Namura Technologies Top-End Repair Kits for 1995-2013 KX100, 2003 RM100 - NX-20010K

Repair Kit, Top End, 52.500mm Bore, 9.60 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20010K

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1990-2026 PW50 - NX-40005-2K

TOP END REPAIR KIT

Part Number: NTI-NX-40005-2K

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

S&S Cycle 107 in. Big Bore Kits 910-0500

Big Bore Kit, 107 in., Drop-In, 3.937 in. Bore, Wrinkle Black Cylinders with Highlighted Fins, Harley-Davidson®, Kit

Part Number: SSY-910-0500

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Hot Rods Complete Bottom End Rebuild Kits for 2001 YZ250 - CBK0079

BOTTOM END KIT Yamaha

Part Number: HRI-CBK0079

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Clevite Engine Parts Engine Rebuild Kits 456-5007 STD

HD IN-FRAME KIT

Part Number: CLE-4565007STD

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Clevite Engine Parts Engine Rebuild Kits 459-5516 STD

HD IN-FRAME KIT

Part Number: CLE-4595516STD

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Clevite Engine Parts Engine Rebuild Kits 486-5048 STD

HD IN-FRAME KIT

Part Number: CLE-4865048STD

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Clevite Engine Parts Engine Rebuild Kits 489-5016 STD

HD IN-FRAME KIT

Part Number: CLE-4895016STD

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Clevite Engine Parts Engine Rebuild Kits 486-1004 STD

HD OVERHAUL KIT

Part Number: CLE-4861004STD

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today