$20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: SUMMER25

$20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: SUMMER25

FREE SHIPPING on Orders Over $109!

S&S Cycle Engine Kits & Rotating Assemblies

Individual Parts

Results 1 - 25 of 49

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: Jul 29, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 29, 2025 if ordered today

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: Today

...Loading

Estimated Ship Date: Today

S&S Cycle 84-99 BT 96in 3-5/8in Big Bore Cylinder & Piston Kit For S&S SH96 Engines - Natural

Part Number: SSY-91-7207

Not Yet Reviewed

Estimated Ship Date: Jul 29, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 29, 2025 if ordered today

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: Jul 30, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 30, 2025 if ordered today

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: Jul 29, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 29, 2025 if ordered today

PERFORMANCE, 131" KIT - BLACK FINS M8

Part Number: SSY-910-0763

Not Yet Reviewed

Estimated Ship Date: Jul 29, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 29, 2025 if ordered today

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: Jul 28, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 28, 2025 if ordered today

S&S Cycle 84-99 BT 4 1/8in Bore Cylinder & Pistons Kit For S&S V124 Engine - Natural

Part Number: SSY-910-0229

Not Yet Reviewed

Estimated Ship Date: Jul 14, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 14, 2025 if ordered today

S&S Cycle 66-78 74in BT & Stock Bore Strokers 3-7/16in Bore Cylinders - Gloss Black

Part Number: SSY-91-9011

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 22, 2025 if ordered today

S&S Cycle 84-99 BT w/ Stock Heads 3-5/8in Bore Cylinder Set - Natural

Part Number: SSY-91-7000

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 22, 2025 if ordered today

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

Part Number: SSY-320-0403

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 30, 2025 if ordered today

CRANKSHAFT, FLYWHEEL ASSY W/O SPROCKET SHA

Part Number: SSY-320-0417

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 30, 2025 if ordered today

S&S Cycle 99-16 BT Replacement 3-7/8in Bore Cylinder & Piston Kit For S&S 106in Stroker Kit - Silver

Part Number: SSY-910-0199

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 30, 2025 if ordered today

S&S Cycle 99-16 BT Replacement 3-7/8in Bore Cylinder & Piston Kit For S&S 106in Stroker Kit - Wblack

Part Number: SSY-910-0203

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 30, 2025 if ordered today

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

Part Number: SSY-910-0213

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 30, 2025 if ordered today

S&S Cycle 99-06 BT 4-1/8in Bore Cylinder & Piston Kit - Silver

Part Number: SSY-910-0215

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 30, 2025 if ordered today

S&S Cycle 99-06 BT 4-1/8in Bore Cylinder Kit For Early Production S&S T117 Engines - Silver

Part Number: SSY-910-0218

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 30, 2025 if ordered today

S&S Cycle 84-99 BT 84-99 BT 4 1/8in Bore Cylinder Kit For S&S V111 Engine - Natural

Part Number: SSY-910-0219

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 30, 2025 if ordered today

S&S Cycle 07-17 BT 117in Big Bore Cylinder Kit - Black Wrinkle

Part Number: SSY-910-0221

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 30, 2025 if ordered today

PISTONS, PISTON/CYLINDER KIT 124

Part Number: SSY-910-0223

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 30, 2025 if ordered today

S&S Cycle 84-99 BT 4 1/8in Bore Cylinder & Piston Kit For S&S V117 Engine - WBlack

Part Number: SSY-910-0225

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 30, 2025 if ordered today

S&S Cycle 99-06 BT 4-1/8in Bore Cylinder & Piston Kit - Wrinkle Black

Part Number: SSY-910-0226

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 30, 2025 if ordered today

S&S Cycle 84-99 BT 4-1/8in Bore Cylinder Set w/ Pistons For 117in V-Series Engines - Natural

Part Number: SSY-910-0290

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 30, 2025 if ordered today

S&S Cycle 07-16 BT 124in Low Compression 4-1/8in Big Bore Kit - Wrinkle Black

Part Number: SSY-910-0324

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 30, 2025 if ordered today

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

Part Number: SSY-910-0474

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

...Loading

Estimated Ship Date: Jul 30, 2025 if ordered today

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.