2019 Engine Kits & Rotating Assemblies Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

S&S Cycle 883 to 1200cc Hooligan Cylinder Kits 910-0700

S&S Cycle 00-21 Sportster Models 883cc to 1200cc Hooligan Kit - Silver

Part Number: SSY-910-0700

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle M8 124 in. Big Bore Kits 910-0625

Top End Engine Kit, M8 124 in. Big Bore, Wrinkle Black Finish with Highlighted Fins, 4.250 in., Forged Piston, Harley-Davidson®, Kit

Part Number: SSY-910-0625

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

S&S Cycle M8 131 in. Big Bore Kits 910-0763

PERFORMANCE, 131" KIT - BLACK FINS M8

Part Number: SSY-910-0763

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

Vertex Complete Engine Rebuild Kits WR00048

VERTEX COMPLETE ENGINE REBUILD KIT

Part Number: VPX-WR00048

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

Scat Modern Muscle Engine Rotating Assemblies 1-48501-0015

ROTATING ASSEMBLY

Part Number: SCA-1-48501-0015

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Call to Order

Eagle Competition Rotating Assemblies 86120

CRANK, RODS, BEARINGS KIT MITSU. 4B11T

Part Number: ESP-86120

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

S&S Cycle M8 128 in. Big Bore Kits 910-0685A

2017+ M8 Models 4.250in Bore 4.500in Stroke Cylinder Kit - Wrinkle Black w/o Highlight

Part Number: SSY-910-0685A

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle Powersports Top End Engine Kits 910-0847A

2017+ M8 Models 4.320in Bore 4.500in Stroke Cylinder Kit - Black Granite w/ Highlight

Part Number: SSY-910-0847A

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle Powersports Top End Engine Kits 910-0844A

2017+ M8 Models 129in Big-Bore Kit 4.375in Stroke Non-Highlighted Cylinders

Part Number: SSY-910-0844A

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle Powersports Top End Engine Kits 910-0848A

2017+ M8 Models 4.320in Bore 4.625in Stroke Cylinder Kit - Wrinkle Black w/ Highlight

Part Number: SSY-910-0848A

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle Powersports Top End Engine Kits 910-0909A

2017+ M8 Models 132in/136in Big Bore Cylinder Kit +8.5cc Dome (Blk w/ Fins) - 4.320in Bore

Part Number: SSY-910-0909A

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle Powersports Top End Engine Kits 910-1008A

2017+ M8 Models 132in/136in Big Bore Cylinder Kit (Blk w/ Highlighted Fins) - 4.320in Bore

Part Number: SSY-910-1008A

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle Powersports Top End Engine Kits 910-0849A

2017+ M8 Models 4.320in Bore 4.625in Stroke Cylinder Kit - Wrinkle Black w/o Highlight

Part Number: SSY-910-0849A

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle M8 124 in. Big Bore Kits 910-0625A

2017 M8 Touring 4.250in Bore x 4.375in Stroke 107 To 124 Big Bore Kit

Part Number: SSY-910-0625A

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle M8 131 in. Big Bore Kits 910-0763A

2007+ BT 4.250in Bore 4.840in - Wrinkle Black w/o Highlight

Part Number: SSY-910-0763A

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle Powersports Top End Engine Kits 910-0850A

2017+ M8 Models 4.320in Bore 4.625in Stroke Cylinder Kit - Black Granite w/ Highlight

Part Number: SSY-910-0850A

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle Powersports Top End Engine Kits 910-0911A

2017+ M8 Models 132in/136in Big Bore Cyl Kit +8.5cc Dome (Blk Gran w/ Fins) - 4.320in Bore

Part Number: SSY-910-0911A

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle M8 124 in. Big Bore Kits 910-0681A

2017+ M8 Models 4.250in Bore 4.375in Stroke Cylinder Kit - Wrinkle Black w/o Highlight

Part Number: SSY-910-0681A

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle Powersports Top End Engine Kits 910-0843A

2017+ M8 Models 129in Big-Bore Kit 4.375in Stroke Highlighted Cylinders

Part Number: SSY-910-0843A

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle Powersports Top End Engine Kits 910-0846A

2017+ M8 Models 4.320in Bore 4.500in Stroke Cylinder Kit - Wrinkle Black w/o Highlight

Part Number: SSY-910-0846A

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle M8 131 in. Big Bore Kits 910-0762A

2017+ M8 Models 4.250in Bore 4-5/8in Stroke Cylinder Kit - Wrinkle Black w/ Highlight

Part Number: SSY-910-0762A

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle M8 128 in. Big Bore Kits 910-0733A

2017+ M8 4.2520in Bore x 4.5in Stroke 117 to 128 Big Bore Kit

Part Number: SSY-910-0733A

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle M8 128 in. Big Bore Kits 910-0684A

2017+ M8 Models 4.250in Bore x 4.5in Stroke 114 To 128 Big Bore Kit

Part Number: SSY-910-0684A

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle Powersports Top End Engine Kits 910-0910A

2017+ M8 Model 132in/136in Big Bore Cylinder Kit +8.5cc Dome (Blk w/o Fins) - 4.320in Bore

Part Number: SSY-910-0910A

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle Powersports Top End Engine Kits 910-1009A

2017+ M8 Models 132in/136in Big Bore Cylinder Kit (Blk w/o Highlighted Fin) - 4.320in Bore

Part Number: SSY-910-1009A

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today