2024 Engine Kits & Rotating Assemblies Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

S&S Cycle 128 in. Power Packages with Gear Drive Cam 310-1104A

S&S Cycle 2017+ M8 128in CI Oil Cooled Power Pack w/ Chrome Pushrod Tubes w/ Highlight - Wrinkle Blk

Part Number: SSY-310-1104A

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

S&S Cycle 128 in. Power Packages with Chain Drive Cam 310-1105B

S&S Cycle 2017 M8 Models 128in Oil Cooled Power Pack w/ Chrome Pushrod Tubes w/o Highlight

Part Number: SSY-310-1105B

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

S&S Cycle 128 in. Power Packages with Gear Drive Cam 310-1106A

S&S Cycle 2017 M8 Models 128in CI Oil Cooled w/ Chrome Pushrod Tubes & Highlighted Fins

Part Number: SSY-310-1106A

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

S&S Cycle 128 in. Power Packages with Chain Drive Cam 310-1107B

S&S Cycle 2017+ M8 4.250in Bore 550C Cam w/ Chrome Pushrods Power Pack - Black Granite w/ Highlight

Part Number: SSY-310-1107B

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

S&S Cycle 128 in. Power Packages with Gear Drive Cam 310-1108A

S&S Cycle 2017+ M8 4.250in Bore 550G Cam w/ Chrome Pushrods Power Pack - Black Granite w/ Highlight

Part Number: SSY-310-1108A

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

S&S Cycle 128 in. Power Packages with Chain Drive Cam 310-1109B

S&S Cycle 2017+ M8 Models 128in Power Pack w/ Chrome Pushrod Tubes - Granite Blk w/ Highlight

Part Number: SSY-310-1109B

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

S&S Cycle 128 in. Power Packages with Gear Drive Cam 310-1110A

S&S Cycle 2017+ M8 128in CI Oil Cooled Power Pack w/ Chrome Pushrod Tubes w/ Highlight Black Granite

Part Number: SSY-310-1110A

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

S&S Cycle M8 Flywheel Assemblies 320-0604

CRANKSHAFT, M8 FLYWHEEL 4-3/8" FULL

Part Number: SSY-320-0604

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

S&S Cycle M8 Flywheel Assemblies 320-0605

CRANKSHAFT, M8 FLYWHEEL 4-5/8" FULL

Part Number: SSY-320-0605

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

S&S Cycle 750cc Big Bore Kits 920-0144

S&S Cycle Royal Enfield 650 Twins 750cc Big Bore Kit

Part Number: SSY-920-0144

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

S&S Cycle 865cc Big Bore Kits 920-0145

S&S Cycle Royal Enfield 650 Twins 865cc Big Bore Kit

Part Number: SSY-920-0145

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 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 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

S&S Cycle M8 129 in. Big Bore Cylinder Kits 910-0844

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

Part Number: SSY-910-0844

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 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 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

S&S Cycle 132 in. Big Bore Cylinder Kits 910-0845

S&S Cycle 2017+ M8 Models 4.5in Stroke 132in Big Bore Kit

Part Number: SSY-910-0845

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

S&S Cycle Powersports Top End Engine Kits 910-0845A

2017+ M8 Models 4.5in Stroke 132in Big Bore Kit

Part Number: SSY-910-0845A

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

S&S Cycle 132 in. Big Bore Cylinder Kits 910-0846

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

Part Number: SSY-910-0846

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 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 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

S&S Cycle 132 in. Big Bore Cylinder Kits 910-0847

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

Part Number: SSY-910-0847

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 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 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 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 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 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 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 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 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 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 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 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 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today