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

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

FREE SHIPPING on Orders Over $109!

HARLEY-DAVIDSON FXST SOFTAIL STANDARD Engine Kits & Rotating Assemblies

Individual Parts

Results 1 - 25 of 32

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: Sep 25, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 25, 2025 if ordered today

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: Sep 26, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 26, 2025 if ordered today

S&S 98 BIG BORE KIT BLK

Part Number: SSY-910-0481

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

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: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

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: Sep 24, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 24, 2025 if ordered today

107" BIG BORE KIT SIL

Part Number: SSY-910-0480

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 4, 2025 if ordered today

S&S Cycle 84-99 BT 96in 3 5/8in Sidewinder Big Bore Cylinder & Piston Kit - Wrinkle Black

Part Number: SSY-91-7702

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 4, 2025 if ordered today

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

Part Number: SSY-91-7707

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 4, 2025 if ordered today

S&S Cylinder 84-99 BT w/Super Stock Cylinder Heads 89in 3 1/2in Bore Cylinder & Piston Kit - Wblack

Part Number: SSY-91-7711

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 4, 2025 if ordered today

S&S Cycle 84-99 BT w/ Super Stock Heads 89in 3-1/2in Bore Cylinder and Piston Kit

Part Number: SSY-91-7715

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 4, 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: Sep 4, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 4, 2025 if ordered today

PISTONS, PISTON/CYLINDER KIT 124

Part Number: SSY-910-0223

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 4, 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: Sep 4, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 4, 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: Sep 4, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 4, 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: Sep 4, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 4, 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: Sep 4, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 4, 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: Sep 4, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 4, 2025 if ordered today

S&S Cycle 84-99 BT 88in 3 5/8in Big Bore Cylinder & Piston Kit - Natural

Part Number: SSY-91-7002

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 4, 2025 if ordered today

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

Part Number: SSY-91-7202

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 4, 2025 if ordered today

S&S Cylinder 84-99 BT w/Super Stock Cylinder Heads 89in 3 1/2in Bore Cylinder & Piston Kit - Natural

Part Number: SSY-91-7211

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 4, 2025 if ordered today

S&S Cycle 84-99 BT w/ Stock Heads 88in 3 5/8in Big Bore Cylinder & Piston Kit - Wrinkle Black

Part Number: SSY-91-7502

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 4, 2025 if ordered today

S&S Cycle 99-06 BT Replacement 4-1/8in Bore Cylinder & Piston Kit w/ Stock Bolt Pattern

Part Number: SSY-910-0025

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 4, 2025 if ordered today

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

Part Number: SSY-910-0179

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 4, 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: Sep 4, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 4, 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: Sep 4, 2025 if ordered today

...Loading

Estimated Ship Date: Sep 4, 2025 if ordered today

Modal Header

Call To Order

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