Availability
S&S Cycle Engine Kits & Rotating Assemblies
CRANKSHAFT, M8 FLYWHEEL 4-3/8" FULL
Part Number: SSY-320-0604
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
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: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
S&S Cycle 00-21 Sportster Models 1200cc to 1250cc Hooligan Kit - Silver
Part Number: SSY-910-0702
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 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: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 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: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
S&S Cycle 99-06 w/ 89cc/91cc Heads 4 1/8in Bore Cyl & Piston Kit For 124in Hot Set Up Kit - Wblack
Part Number: SSY-910-0222
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
S&S Cycle 66-84 BT 93in High Compression 3-5/8in Big Bore Cylinder & Piston Kit - Gloss Black
Part Number: SSY-91-9031
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 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: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 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: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 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: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
S&S Cycle 84-99 BT 4 1/8in Bore Cylinder & Pistons Kit For S&S V124 Engine - Wrinkle Black
Part Number: SSY-910-0224
Not Yet Reviewed
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 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: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
2006 Dyna 91cc w/ .032in Manifold Surface Rear Head Assembly
Part Number: SSY-106-3411
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
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
Estimated Ship Date: Mar 24, 2026 if ordered today
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
Estimated Ship Date: Mar 24, 2026 if ordered today
Top End Engine Kit, M8 124 in. Big Bore, Wrinkle Black Finish, 4.250 in., Forged Piston, Harley-Davidson®, Kit
Part Number: SSY-910-0681
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
128" BIG BORE KIT M8 BLK
Part Number: SSY-910-0733
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
S&S Cycle 70-84 BT 93in Sidewinder High Compression Big Bore Stroker Kit - Gloss Black
Part Number: SSY-91-9130
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
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
Estimated Ship Date: Mar 24, 2026 if ordered today
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
Estimated Ship Date: Mar 24, 2026 if ordered today
S&S Cycle 2017 M8 Models 128in CI Oil Cooled w/ Chrome Pushrod Tubes & Highlighted Fins
Part Number: SSY-310-1106A
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
S&S Cycle 2017+ M8 129in Power Pack w/ Chrome Pushrod Tubes & Gear Drive Cam - Black w/ Highlight
Part Number: SSY-310-1224
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
S&S Cycle 2017+ M8 129in Power Pack w/ Black Pushrod Tubes & Gear Drive Cam - Black w/o Highlight
Part Number: SSY-310-1228
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
S&S Cycle 2017+ M8 124in CI Oil Cooled Power Pack w Black Pushrod Tubes w/o Highlight
Part Number: SSY-310-1057B
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
S&S Cycle 2017+ M8 Models 4.250in Bore 550C Cam w/ Chrome Pushrods Power Pack - Black w/ Highlight
Part Number: SSY-310-1050B
Not Yet Reviewed
Estimated Ship Date: Mar 24, 2026 if ordered today
Estimated Ship Date: Mar 24, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster