Availability
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: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
S&S Cycle 00-21 Sportster Models 883cc to 1200cc Hooligan Kit - Silver
Part Number: SSY-910-0700
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 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: Jan 8, 2026 if ordered today
Estimated Ship Date: Jan 8, 2026 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: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Flywheel, 07-17 TWIN CAM 06 DYNA, FLYWHEELS ASSEMBLY A MOTOR
Part Number: SSY-320-0351
Not Yet Reviewed
Estimated Ship Date: Jan 9, 2026 if ordered today
Estimated Ship Date: Jan 9, 2026 if ordered today
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: Jan 9, 2026 if ordered today
Estimated Ship Date: Jan 9, 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: Jan 9, 2026 if ordered today
Estimated Ship Date: Jan 9, 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: Jan 9, 2026 if ordered today
Estimated Ship Date: Jan 9, 2026 if ordered today
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: Jan 9, 2026 if ordered today
Estimated Ship Date: Jan 9, 2026 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: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 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: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
PERFORMANCE, 131" KIT - BLACK FINS M8
Part Number: SSY-910-0763
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
128" BIG BORE KIT M8 BLK
Part Number: SSY-910-0733
Not Yet Reviewed
Estimated Ship Date: Jan 7, 2026 if ordered today
Estimated Ship Date: Jan 7, 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: Tomorrow if ordered today
Estimated Ship Date: Tomorrow 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: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 2026 if ordered today
107" BIG BORE KIT SIL
Part Number: SSY-910-0480
Not Yet Reviewed
Estimated Ship Date: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 2026 if ordered today
S&S Cycle 86-21 Sportster Models 1250cc Conversion Kit - Silver
Part Number: SSY-910-0689
Not Yet Reviewed
Estimated Ship Date: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 2026 if ordered today
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: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 2026 if ordered today
S&S Cycle 2017+ M8 4.250in Bore 550C Cam w/ Chrome Pushrods Power Pack - Black Granite w/ Highlight
Part Number: SSY-310-1107B
Not Yet Reviewed
Estimated Ship Date: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 2026 if ordered today
ENGINE PERFORMANCE, 17-18 M8 MODELS, BIG BORE CYLINDER SET BLK
Part Number: SSY-910-0683
Not Yet Reviewed
Estimated Ship Date: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 2026 if ordered today
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: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 2026 if ordered today
S&S Cycle 2017+ M8 128in CI Oil Cooled Power Pack w/ Chrome Pushrod Tubes w/ Highlight - Wrinkle Blk
Part Number: SSY-310-1104A
Not Yet Reviewed
Estimated Ship Date: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 2026 if ordered today
S&S Cycle 2017 M8 132in Power Pack w/ Chrm Pushrod Tubes & Gear Drive Cam - Blk Granite w/ Highlight
Part Number: SSY-310-1238
Not Yet Reviewed
Estimated Ship Date: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 2026 if ordered today
S&S Cycle 2017+ M8 129in Power Pack w/ Black Pushrod Tubes & Gear Drive Cam - Black w/ Highlight
Part Number: SSY-310-1227
Not Yet Reviewed
Estimated Ship Date: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 2026 if ordered today
S&S Cycle 2017+ M8 Models 4.320in Bore 550C Cam Power Pack - Black w/ Highlight
Part Number: SSY-310-1229
Not Yet Reviewed
Estimated Ship Date: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 2026 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.