HARLEY-DAVIDSON S&S Cycle Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

S&S Cycle 129 in. Big Bore Cylinder Kits 910-0843

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

Part Number: SSY-910-0843

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

S&S Cycle 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

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Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 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

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Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 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: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 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: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

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

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

Part Number: SSY-910-0681

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Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

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

ENGINE PERFORMANCE, M8 MODELS W/114", 128" BIG BORE KIT M8 BLK

Part Number: SSY-910-0685

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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

128" BIG BORE KIT M8 BLK

Part Number: SSY-910-0733

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Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

S&S Cycle 131 in. Big Bore Kits 910-0764

PERFORMANCE, 131" KIT - BLK GRANITE M8

Part Number: SSY-910-0764

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Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

S&S Cycle Early Twin Cam Chain Drive Camshaft Kits 330-0442

S&S HP103C CAMSHAFT KIT

Part Number: SSY-330-0442

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

S&S Cycle T-Series Long Block Engines 310-0548A

COMPLETE Motor, T143" MOTOR TOUR WBLK-FINS

Part Number: SSY-310-0548A

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

S&S Cycle T-Series Long Block Engines 310-0737A

Long Block, T-Series, 143 in., 635 in. Cams, Carbureted/Fuel Injected, Black Wrinkle Finish, Harley-Davidson®, Twin Cam, Each

Part Number: SSY-310-0737

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

S&S Cycle V-Series Long Block Engines 310-0766

Long Block, V-Series, 111 in., 585 in. Cam, Carbureted/Fuel Injected, Black Wrinkle Finish, Harley-Davidson®, Evolution, Each

Part Number: SSY-310-0766

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

S&S Cycle MK-Series Performance Crankcases 310-1170

S&S Cycle 2017+ M8 Touring Models MK-Series Touring Crankcase Assembly - Black

Part Number: SSY-310-1170

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

S&S Cycle 129 in. Power Packages with Chain Drive Cam 310-1223

S&S Cycle 2017+ M8 129in Power Pack w/ Chrome Pushrod Tubes & Cam Chain Tensioner - Blk w/ Highlight

Part Number: SSY-310-1223

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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S&S Cycle 129 in. Power Packages with Gear Drive Cam 310-1224

S&S Cycle 2017+ M8 129in Power Pack w/ Chrome Pushrod Tubes & Gear Drive Cam - Black w/ Highlight

Part Number: SSY-310-1224

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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S&S Cycle 129 in. Power Packages with Chain Drive Cam 310-1226

S&S Cycle 2017+ M8 129in Power Pack w/ Blk Pushrod Tubes & Cam Chain Tensioners - Blk w/o Highlight

Part Number: SSY-310-1226

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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S&S Cycle 129 in. Power Packages with Gear Drive Cam 310-1227

S&S Cycle 2017+ M8 129in Power Pack w/ Black Pushrod Tubes & Gear Drive Cam - Black w/ Highlight

Part Number: SSY-310-1227

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

S&S Cycle 129 in. Power Packages with Gear Drive Cam 310-1228

S&S Cycle 2017+ M8 129in Power Pack w/ Black Pushrod Tubes & Gear Drive Cam - Black w/o Highlight

Part Number: SSY-310-1228

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

S&S Cycle 132 in. Power Packages with Chain Drive Cam 310-1229

S&S Cycle 2017+ M8 Models 4.320in Bore 550C Cam Power Pack - Black w/ Highlight

Part Number: SSY-310-1229

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

S&S Cycle 132 in. Power Packages with Gear Drive Cam 310-1230

S&S Cycle 2017+ M8 Models 4.320in Bore 550G Cam Power Pack - Black w/ Highlight

Part Number: SSY-310-1230

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

S&S Cycle 132 in. Power Packages with Chain Drive Cam 310-1231

S&S Cycle 2017 M8 132in Power Pack w/ Chrome Pushrod Tubes & Cam Chain Tensioners - Blk w/ Highlight

Part Number: SSY-310-1231

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

S&S Cycle 132 in. Power Packages with Gear Drive Cam 310-1232

S&S Cycle 2017+ M8 132in Power Pack w/ Chrome Pushrod Tubes & Gear Drive Cam - Black w/ Highlight

Part Number: SSY-310-1232

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

S&S Cycle 132 in. Power Packages with Chain Drive Cam 310-1233

S&S Cycle 2017+ M8 132in Power Pack w/ Chrm Pushrod Tubes & Cam Chain Tensioners - Blk w/o Highlight

Part Number: SSY-310-1233

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

S&S Cycle 132 in. Power Packages with Gear Drive Cam 310-1234

S&S Cycle 2017+ M8 132in Power Pack w/ Chrome Pushrod Tubes & Gear Drive Cam - Black w/o Highlight

Part Number: SSY-310-1234

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today