HARLEY-DAVIDSON | Summit Racing

S&S Cycle Early Twin Cam Chain Drive Cam Chest Upgrade Kits 330-0540

CAM CHEST KIT CHAIN DRIVE

Part Number: SSY-330-0540

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 129 in. Big Bore Cylinder Kits 910-0843

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: 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 310-1082B

S&S Cycle 2017+ Oil Cooled M8 Models Chain Drive 550C Cam Chest Kit w/ Chrome Pushrod Tubes

Part Number: SSY-310-1082B

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 31-0078

ENG CASE BIG BORE BLK EVO

Part Number: SSY-31-0078

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 High Compression 132/136 in. Big Bore Kits 910-0911A

2017+ M8 Models 132in/136in Big Bore Cyl Kit +8.5cc Dome (Blk Gran w/ Fins) - 4.320in Bore

Part Number: SSY-910-0911A

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 93 in. Big Bore Cylinder Kits 91-9031

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: 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 310-1259

S&S Cycle 2017+ M8 Oil Cooled Models Gear Drive Cam Chest Kit w/o Cam - Chrome Pushrod Tubes

Part Number: SSY-310-1259

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 Flywheel Assemblies 320-0454

S&S Cycle 00-06 BT 4-1/2in Stroke Flywheel Assembly w/o Sprocket Shaft Bearing Race

Part Number: SSY-320-0454

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. Hot Set-Up Cylinder Kits 910-0222

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: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

S&S Cycle V124 Cylinder Kits 910-0229

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: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

S&S Cycle 124 in. Hot Set-Up Cylinder Kits 910-0215

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: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

S&S Cycle 132 in. Big Bore Cylinder Kits 910-0847

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: 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 310-1261

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

Part Number: SSY-310-1261

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 900-0465

99-05 BT Super Stock 91cc Cylinder Heads - Silver

Part Number: SSY-900-0465

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 V-Series Replacement Cylinder Heads 900-1130

84-99 BT 91cc .064in Manifold Surface Cylinder Heads - Silver

Part Number: SSY-900-1130

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 High Compression 132/136 in. Big Bore Kits 910-1008A

2017+ M8 Models 132in/136in Big Bore Cylinder Kit (Blk w/ Highlighted Fins) - 4.320in Bore

Part Number: SSY-910-1008A

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 High Compression 132/136 in. Big Bore Kits 910-0910A

2017+ M8 Model 132in/136in Big Bore Cylinder Kit +8.5cc Dome (Blk w/o Fins) - 4.320in Bore

Part Number: SSY-910-0910A

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 Flywheel Assemblies 32-2239

FLYWHEEL ASSEMBLY STOCK

Part Number: SSY-32-2239

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 900-0254

S&S Cycle 99-05 BT Super Stock 79cc Cylinder Head Kit - Silver

Part Number: SSY-900-0254

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 Chain Drive Cam Chest Kits 310-1264

S&S Cycle 2017+ M8 Water Cooled Models Cam Chest Kit w/o Cam - Black Pushrod Tubes & Chain Tensioner

Part Number: SSY-310-1264

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 Flywheel Assemblies 320-0354

S&S Cycle 00-06 BT 4-3/8in Stroke Flywheel Assembly w/ Sprocket Shaft Bearing Race

Part Number: SSY-320-0354

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 V124 Cylinder Kits 910-0224

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: 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 310-1012B

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

Part Number: SSY-310-1012B

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 Early Twin Cam Gear Drive Cam Chest Upgrade Kits 310-1266

S&S Cycle 99-06 BT Gear Drive Cam Chest Kit w/o Cam - Black Pushrod Tubes

Part Number: SSY-310-1266

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 910-0681

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: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

HARLEY-DAVIDSON Parts and Accessories