In Stock
- In Stock Items, Including at a Supplier. Ships In a Few Days. (3) 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 (81) 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
Part Type
- Powersports Top End Engine Kits (65) 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 (11) 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 (5) 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.
Price Range
Filter Options
- PowerSports (81)
- New Product (29)

Selected Filters

Availability

- In Stock Items, Including at a Supplier. Ships In a Few Days. (3) 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 (81) 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
Make/Model
Part Type
- Powersports Top End Engine Kits (65) 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 (11) 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 (5) 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.
Price Range
Filter Options
- PowerSports (81)
- New Product (29)

2024 S&S Cycle Engine Kits & Rotating Assemblies

Individual Parts

Part Groups

Results 1 - 25 of 81

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 3, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 3, 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 3, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 3, 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 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 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 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

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

...Loading

Estimated Ship Date: Mar 24, 2026 if ordered today

S&S Cycle M8 131 in. Big Bore Kits 910-0764

PERFORMANCE, 131" KIT - BLK GRANITE M8

Part Number: SSY-910-0764

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 24, 2026 if ordered today

S&S Cycle 128 in. Power Packages with Gear Drive Cam 310-1102A

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

Part Number: SSY-310-1102A

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

...Loading

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

...Loading

Estimated Ship Date: Mar 24, 2026 if ordered today

S&S Cycle 124 in. Power Packages with Chain Drive Cam 310-1056B

S&S Cycle 2017+ M8 124in CI Oil Cooled Power Pack w/ Black Pushrod Tubes w/ Highlight

Part Number: SSY-310-1056B

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 24, 2026 if ordered today

S&S Cycle 124 in. Power Packages with Gear Drive Cam 310-1053A

S&S Cycle 2017 M8 Models 124in CI Oil Cooled w/ Chrome Pushrod Tubes & Highlighted Fins

Part Number: SSY-310-1053A

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

...Loading

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

...Loading

Estimated Ship Date: Mar 24, 2026 if ordered today

S&S Cycle M8 Flywheel Assemblies 320-0598

CRANKSHAFT, M8 FLYWHEEL 4-1/2" TAPERED

Part Number: SSY-320-0598

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 Flywheel Assemblies 320-0601

CRANKSHAFT, M8 FLYWHEEL 4-3/8" TAPERED

Part Number: SSY-320-0601

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 Flywheel Assemblies 320-0604

CRANKSHAFT, M8 FLYWHEEL 4-3/8" FULL

Part Number: SSY-320-0604

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 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

...Loading

Estimated Ship Date: Mar 24, 2026 if ordered today

S&S Cycle M8 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: Mar 24, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 24, 2026 if ordered today

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

128" BIG BORE KIT M8 BLK

Part Number: SSY-910-0733

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

...Loading

Estimated Ship Date: Mar 24, 2026 if ordered today

S&S Cycle 128 in. Power Packages with Chain Drive Cam 310-1103B

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

Part Number: SSY-310-1103B

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

...Loading

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

...Loading

Estimated Ship Date: Mar 24, 2026 if ordered today

Page 1 of 4
Next