HARLEY-DAVIDSON Engines & Components

S&S Cycle Super Stock Cylinder Head Kits 90-1491

S&S Cycle 66-78 BT Super Stock 3-5/8in Bore O-Ring Style Dual Plug Cylinder Head Kit - Natural

Part Number: SSY-90-1491

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

S&S Cycle Super Stock Alternator-Style Crankcases 31-0055

S&S Cycle 92-99 BT w/ Stock Bore Super Stock Alternator Syle Crankcase - Wrinkle Black

Part Number: SSY-31-0055

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Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

S&S Cycle Evolution Cylinders 91-7000

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

Part Number: SSY-91-7000

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Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

S&S Cycle Pinion Shaft Assemblies 33-2021

PINION SHAFT ASSEMBLIES

Part Number: SSY-33-2021

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Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

S&S Cycle Milwaukee 8 Chain Drive Cam Chest Kits 310-1007B

S&S Cycle 2017+ Water Cooled M8 Models Chain Drive 465C Cam Chest Kit w/ Black Pushrod Tubes

Part Number: SSY-310-1007B

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Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

S&S Cycle Milwaukee 8 Chain Drive Cam Chest Kits 310-1008B

S&S Cycle 2017+ Water Cooled M8 Models Chain Drive 475C Cam Chest Kit w/ Black Pushrod Tubes

Part Number: SSY-310-1008B

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

S&S Cycle M8 124 in. Big Bore Kits 910-0625A

2017 M8 Touring 4.250in Bore x 4.375in Stroke 107 To 124 Big Bore Kit

Part Number: SSY-910-0625A

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

S&S Cycle M8 Big Bore Cylinders 910-0683A

2017 M8 Models 4.250 Bore w/o Highlight Big Bore Cylinder Set

Part Number: SSY-910-0683A

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Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

S&S Cycle 124 in. Power Packages with Chain Drive Cam for 2017-2018 FLHTK ULTRA LIMITED, FLHTKL ULTRA LIMITED LOW, FLTRU ROAD GLIDE ULTRA - 310-1054B

S&S Cycle 2017+ M8 Models 4.250in Bore 550C Cam w/ Black Pushrods Power Pack - Black w/ Highlight

Part Number: SSY-310-1054B

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

S&S Cycle 96 in. Big Bore Kits 91-7207

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: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

S&S Cycle Evolution Cylinders 910-0273

84-99 BT 4-1/8in Bore Cylinder Set For 124in V-Series Engine - Polished

Part Number: SSY-910-0273

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Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

S&S Cycle Super Stock Cylinder Head Kits 90-1488

S&S Cycle 79-84 BT Super Stock 3-5/8in Bore Band Style Dual Plug Cylinder Head Kit - Natural

Part Number: SSY-90-1488

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

S&S Cycle Super Stock Cylinder Head Kits 90-1293

HEAD KIT BLK 79CC

Part Number: SSY-90-1293

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Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

S&S Cycle 88 in. Big Bore Kits 91-9001

S&S Cycle 79-84 BT 88in Sidewinder 3-5/8in Big Bore Cylinder Kit - Gloss Black

Part Number: SSY-91-9001

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

S&S Cycle Standard Adjustable Pushrods 930-0103

S&S Cycle 1999+ BT T143 Adjustable Pushrod Set

Part Number: SSY-930-0103

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

S&S Cycle Performance Replacement Cylinder Heads 106-6064

S&S Cycle 84-99 Performance Replacement Low Compression 76cc Cylinder Heads - Wrinkle Black

Part Number: SSY-106-6064

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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S&S Cycle Retro Cylinder Head and Valve Train Upgrade Kits 106-1070

S&S Cycle 66-84 BT Retro Conversion Stock Bore Top End Kit

Part Number: SSY-106-1070

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

S&S Cycle 132 in. Power Packages with Chain Drive Cam 310-1229

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: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

S&S Cycle Milwaukee 8 Gear Drive Cam Chest Kits 310-1117

S&S Cycle 2017+ M8 Models Gear Drive 540GG Cam Chest Kit w/ Chrome Pushrod Tubes - Water Cooled

Part Number: SSY-310-1117

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

S&S Cycle 124 in. Power Packages with Gear Drive Cam 310-1058A

S&S Cycle 2017 M8 Models 124in CI Oil Cooled w/ Black Pushrod Tubes & Highlighted Fins

Part Number: SSY-310-1058A

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

S&S Cycle T-Series Long Block Engines 310-0327A

99-06 BT T124 Long Block Engine w/ 585 Cam - Silver

Part Number: SSY-310-0327A

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

S&S Cycle Shovelhead 80 in. 3 1/2 in. Bore Cylinder Kits 91-9024

66-84 BT 80in 3-1/2in Bore Cylinder and Standard Compression Piston Kit

Part Number: SSY-91-9024

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

S&S Cycle Heavy-Duty Connecting Rod Sets 34-7011

CONN ROD SET L81-84 BT

Part Number: SSY-34-7011

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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S&S Cycle Late Twin Cam Easy Start Chain Drive Camshaft Kits 330-0331

S&S 635CE CAMSHAFT KIT

Part Number: SSY-330-0331

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

S&S Cycle Time-Saver Adjustable Pushrods 930-0052

ENGINE VALVE TRAIN, 84-99 EVO BIG TWIN, TIME-SAVER ADJUSTABLE PUSHRODS

Part Number: SSY-930-0052

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Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today