In Stock
- In Stock Items. Ships Today. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (8) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (233) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Part Type
- Powersports Top End Engine Kits (179) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Powersports Cylinders (33) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Powersports Crankshafts (10) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Powersports Full Engine Kits (10) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Engine Rotating Kits (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Model
Price Range
Filter Options
- PowerSports (233)
- New Product (58)
Savings Central
- Free Shipping (13)

Selected Filters

Availability

- In Stock Items. Ships Today. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- In Stock Items, Including at a Supplier. Ships In a Few Days. (8) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (233) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filters
Part Type
- Powersports Top End Engine Kits (179) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Powersports Cylinders (33) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Powersports Crankshafts (10) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Powersports Full Engine Kits (10) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Engine Rotating Kits (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Model
Price Range
Filter Options
- PowerSports (233)
- New Product (58)
Savings Central
- Free Shipping (13)

S&S Cycle Engine Kits & Rotating Assemblies

Individual Parts

Part Groups

Results 1 - 25 of 233

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: Apr 6, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 6, 2026 if ordered today

S&S Cycle 124 in. Hot Set-Up Cylinder Kits 910-0338

ENGINE PERFORMANCE, 124" 4-1/8" BORE, CYLNDR ST 4-1/8" BR 124"

Part Number: SSY-910-0338

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle 4 in. Sidewinder Big Bore Kits 910-0651

Top End Engine Kit, Sidewinder Big Bore, Black Wrinkle Finish, 4 in., Forged Piston, Harley-Davidson®, Kit

Part Number: SSY-910-0651

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 6, 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

...Loading

Estimated Ship Date: Apr 6, 2026 if ordered today

S&S Cycle 98 in. Big Bore Kits 910-0481

S&S 98 BIG BORE KIT BLK

Part Number: SSY-910-0481

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

S&S Cycle M8 Big Bore Cylinders 910-0740

S&S Cycle 2017+ M8 Models 4.250in Bore Unhoned Front Cylinder - Black Granite w/ Highlight

Part Number: SSY-910-0740

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 6, 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: Apr 6, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 6, 2026 if ordered today

S&S Cycle 129 in. Power Packages with Chain Drive Cam 310-1225

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

Part Number: SSY-310-1225

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 6, 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: Apr 6, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 6, 2026 if ordered today

S&S Cycle Powersports Top End Engine Kits 310-1238C

2017 M8 132in Power Pack w/ Chrm Pushrod Tubes & Gear Drive Cam - Blk Granite w/ Highlight

Part Number: SSY-310-1238C

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

...Loading

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

...Loading

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

...Loading

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

...Loading

Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle Powersports Top End Engine Kits 310-1224C

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

Part Number: SSY-310-1224C

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle Powersports Top End Engine Kits 310-1226C

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

Part Number: SSY-310-1226C

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle 106 in. Big Bore Hot Set-Up Kits 900-0355

2007+ BT 106in Big Bore Hot Set Up Kit w/o Cylinder Heads

Part Number: SSY-900-0355

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle Powersports Top End Engine Kits 310-1236C

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

Part Number: SSY-310-1236C

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

...Loading

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

...Loading

Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle Powersports Top End Engine Kits 310-1105C

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

Part Number: SSY-310-1105C

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle M8 Big Bore Cylinders 910-0682A

2017 M8 Models 4.250 Bore w/ Highlight Big Bore Cylinder Set

Part Number: SSY-910-0682A

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle 117 in. Big Bore Kits 910-0321

07-17 BT 117in Low Compression 4-1/8in Big Bore Kit - Silver

Part Number: SSY-910-0321

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle Twin Cam Cylinders 910-0565

1999+ BT 4.425in Bore Cylinder Set - Wrinkle Black

Part Number: SSY-910-0565

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle Powersports Cylinders 106-4065

1999+ BT 4-1/2in Stroke 3-7/8in Bore Front Cylinder Assembly

Part Number: SSY-106-4065

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

...Loading

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

...Loading

Estimated Ship Date: Mar 25, 2026 if ordered today

S&S Cycle Powersports Top End Engine Kits 910-1010A

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

Part Number: SSY-910-1010A

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 25, 2026 if ordered today

Page 1 of 10
Next