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. (14) 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)
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. (14) 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)
Savings Central
- Free Shipping (13)

S&S Cycle Engine Kits & Rotating Assemblies

Individual Parts

Part Groups

Results 1 - 25 of 233

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: Dec 14, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 14, 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: Dec 14, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 14, 2026 if ordered today

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: Today

...Loading

Estimated Ship Date: 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: Dec 21, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 21, 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: Dec 18, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 18, 2026 if ordered today

S&S Cycle 1250cc Conversion Cylinder Kits 910-0691

S&S Cycle 86-21 Sportster Models 1250cc Conversion Kit - Wrinkle Black

Part Number: SSY-910-0691

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 18, 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: Dec 21, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 21, 2026 if ordered 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: Dec 18, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 18, 2026 if ordered today

S&S Cycle Powersports Top End Engine Kits 910-0688

883 TO 1200CC CONVERSION KIT

Part Number: SSY-910-0688

Not Yet Reviewed

Estimated Ship Date: Dec 21, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 21, 2026 if ordered today

S&S Cycle Twin Cam Cylinders 910-0775

1999+ 4.937in 4in Bore Cylinder - Wrinkle Black

Part Number: SSY-910-0775

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 18, 2026 if ordered today

S&S Cycle Flywheel Assemblies 320-0351

Flywheel, 07-17 TWIN CAM 06 DYNA, FLYWHEELS ASSEMBLY A MOTOR

Part Number: SSY-320-0351

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 18, 2026 if ordered today

S&S Cycle 883 to 1200cc Hooligan Cylinder Kits 910-0687

S&S Cycle 86-19 Sportster Models 883 to 1200cc Conversion Kit - Wrinkle Black

Part Number: SSY-910-0687

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 18, 2026 if ordered today

S&S Cycle 106 in. Big Bore Hot Set-Up Kits 900-0354

PISTONS, S&S 106" BIG BORE HOT SETUP KT

Part Number: SSY-900-0354

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 18, 2026 if ordered today

S&S Cycle Flywheel Assemblies 320-0403

Flywheel, 99-06 TWIN CAM (EXC 06 DYNA), FLYWHEELS ASSEMBLY A MOTOR

Part Number: SSY-320-0403

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 18, 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: Dec 18, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 18, 2026 if ordered today

S&S Cycle 1200cc to 1250cc Hooligan Cylinder Kits 910-0701

S&S Cycle 00-21 Sportster Models 1200cc to 1250cc Hooligan Kit - Wrinkle Black

Part Number: SSY-910-0701

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 17, 2026 if ordered today

S&S Cycle 124 in. Big Bore/Stroker Hot Set-Up Kits 900-0564

124 HOT SET UP W/HEADS BLK

Part Number: SSY-900-0564

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 1, 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: Dec 4, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2026 if ordered today

S&S Cycle 93 in. Big Bore Cylinder Kits 91-9101

S&S Cycle 66-84 BT 93in Standard Compression 3-5/8in Big Bore Cylinder & Piston Kit - Gloss Black

Part Number: SSY-91-9101

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2026 if ordered today

S&S Cycle 80 in. Stock Bore Cylinder Kits 91-7213

S&S Cylinder 84-99 BT w/Super Stock Cylinder Heads 80in 3 1/2in Bore Cylinder & Piston Kit - Natural

Part Number: SSY-91-7213

Not Yet Reviewed

Estimated Ship Date: Dec 7, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 7, 2026 if ordered today

S&S Cycle M8 High Compression 132/136 in. Big Bore 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: Dec 7, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 7, 2026 if ordered today

S&S Cycle 74 in. Stock Bore Cylinder Kits 91-9012

S&S Cycle 66-84 BT 3-31/32in Stroke 3-7/16in Bore 9.0 To 1 Compression Cylinder Kit - Gloss Black

Part Number: SSY-91-9012

Not Yet Reviewed

Estimated Ship Date: Dec 7, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 7, 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: Dec 7, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 7, 2026 if ordered today

S&S Cycle 117 in. Big Bore Kits 910-0474

S&S Cycle 07-17 BT 117in Big Bore Cylinder Kit - Stone Gray

Part Number: SSY-910-0474

Not Yet Reviewed

Estimated Ship Date: Dec 7, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 7, 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: Dec 7, 2026 if ordered today

...Loading

Estimated Ship Date: Dec 7, 2026 if ordered today

Page 1 of 10
Next