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HARLEY-DAVIDSON Engine Kits & Rotating Assemblies

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Results 26 - 50 of 56

S&S Cycle 74 in. Stock Bore Cylinder Kits 91-9012

S&S Cycle 74 in. Stock Bore Cylinder Kits 91-9012

S&S Cycle 74 in. Stock Bore Cylinder Kits 91-9012

S&S Cycle 66-84 BT 3-31/32in Stroke 3-7/16in Bore 9.0 To 1 Compression Cylinder Kit - Gloss Black

Part Number: SSY-91-9012

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

S&S Cycle 93 in. Big Bore Cylinder Kits 91-9031

S&S Cycle 93 in. Big Bore Cylinder Kits 91-9031

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: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

S&S Cycle 93 in. Big Bore Cylinder Kits 91-9101

S&S Cycle 93 in. Big Bore Cylinder Kits 91-9101

S&S Cycle 93 in. Big Bore Cylinder Kits 91-9101

S&S Cycle 66-84 BT 93in Standard Compression 3-5/8in Big Bore Cylinder & Piston Kit - Gloss Black

Part Number: SSY-91-9101

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

S&S Cycle 883 to 1200cc Hooligan Cylinder Kits 910-0699

S&S Cycle 883 to 1200cc Hooligan Cylinder Kits 910-0699

S&S Cycle 883 to 1200cc Hooligan Cylinder Kits 910-0699

S&S Cycle 00-21 Sportster Models 883cc to 1200cc Hooligan Kit - Wrinkle Black

Part Number: SSY-910-0699

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

S&S Cycle 117 in. Big Bore Kits 910-0213

S&S Cycle 117 in. Big Bore Kits 910-0213

S&S Cycle 117 in. Big Bore Kits 910-0213

S&S Cycle 07-17 BT 117in Big Bore Cylinder Kit - Silver

Part Number: SSY-910-0213

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

S&S Cycle 124 in. Hot Set-Up Cylinder Kits 910-0222

S&S Cycle 124 in. Hot Set-Up Cylinder Kits 910-0222

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: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

S&S Cycle T117 Cylinder Kits 910-0227

S&S Cycle T117 Cylinder Kits 910-0227

S&S Cycle T117 Cylinder Kits 910-0227

S&S Cycle 99-06 BT 4 1/8in Bore Cylinder & Pistons Kit For Early Production S&S T117 Engine - WBlack

Part Number: SSY-910-0227

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

S&S Cycle V124 Cylinder Kits 910-0229

S&S Cycle V124 Cylinder Kits 910-0229

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: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

S&S Cycle T111 Cylinder Kits 910-0277

S&S Cycle T111 Cylinder Kits 910-0277

S&S Cycle T111 Cylinder Kits 910-0277

S&S Cycle 99-06 BT 4 1/8in Bore Cylinder & Piston Kit Early Production T111 Engines - Wrinkle Black

Part Number: SSY-910-0277

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

S&S Cycle V111 Cylinder Kits 910-0359

S&S Cycle V111 Cylinder Kits 910-0359

S&S Cycle V111 Cylinder Kits 910-0359

S&S Cycle 84-99 BT 4 1/8in Bore Cylinder Kit For S&S V111 Engine - Wrinkle Black

Part Number: SSY-910-0359

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

S&S Cycle 124 in. Hot Set-Up Cylinder Kits 910-0469

S&S Cycle 124 in. Hot Set-Up Cylinder Kits 910-0469

S&S Cycle 124 in. Hot Set-Up Cylinder Kits 910-0469

S&S Cycle 07-16 BT 124in Standard Compression 4-1/8in Big Bore Kit - Stone Gray

Part Number: SSY-910-0469

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

S&S Cycle 3 7/16 in. Bore Cylinder Kits 91-9017

S&S Cycle 3 7/16 in. Bore Cylinder Kits 91-9017

S&S Cycle 3 7/16 in. Bore Cylinder Kits 91-9017

S&S Cycle 66-84 3-7/16in x Up To 4-3/4in Stroke Cylinder Kit - Gloss Black

Part Number: SSY-91-9017

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

S&S Cycle 98 in. Big Bore Cylinder Kits 91-9201

S&S Cycle 98 in. Big Bore Cylinder Kits 91-9201

S&S Cycle 98 in. Big Bore Cylinder Kits 91-9201

S&S Cycle 66-84 BT 98in 3-5/8in Big Bore Cylinder & Piston Kit For S&S SH98 Engines - Gloss Black

Part Number: SSY-91-9201

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

S&S Cycle 96 in. Big Bore Cylinder Kits 91-9401

S&S Cycle 96 in. Big Bore Cylinder Kits 91-9401

S&S Cycle 96 in. Big Bore Cylinder Kits 91-9401

S&S Cycle 66-84 BT 96in 3-5/8in Big Bore Cylinder & Piston Kit For S&S SH96 Engines - Gloss Black

Part Number: SSY-91-9401

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

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

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

S&S Cycle 88 in. Big Bore Cylinder 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: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

S&S Cycle 80 in. Stock Bore Cylinder Kits 91-9023

S&S Cycle 80 in. Stock Bore Cylinder Kits 91-9023

S&S Cycle 80 in. Stock Bore Cylinder Kits 91-9023

S&S Cycle 66-84 BT 80in 3-1/2in Bore Cylinder and High Compression Piston Kit

Part Number: SSY-91-9023

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

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

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

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: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

S&S Cycle 74 in. Stock Bore Cylinder Kits 91-9013

S&S Cycle 74 in. Stock Bore Cylinder Kits 91-9013

S&S Cycle 74 in. Stock Bore Cylinder Kits 91-9013

S&S Cycle 66-84 BT 3-31/32in Stroke 3-7/16in Bore 8.0 To 1 Compression Cylinder Kit - Gloss Black

Part Number: SSY-91-9013

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

S&S Cycle 131 in. Big Bore Kits 910-0762

S&S Cycle 131 in. Big Bore Kits 910-0762

S&S Cycle 131 in. Big Bore Kits 910-0762

PERFORMANCE, 131" KIT - HIGHLIGHTED FINS M8

Part Number: SSY-910-0762

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

S&S Cycle Flywheel Assemblies 320-0403

S&S Cycle Flywheel Assemblies 320-0403

S&S Cycle Flywheel Assemblies 320-0403

Flywheel, 99-06 TWIN CAM (EXC 06 DYNA), FLYWHEELS ASSEMBLY A MOTOR

Part Number: SSY-320-0403

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

S&S Cycle 128 in. Big Bore Kits 910-0684

S&S Cycle 128 in. Big Bore Kits 910-0684

S&S Cycle 128 in. Big Bore Kits 910-0684

ENGINE PERFORMANCE, M8 MODELS W/114", 128" BIG BORE KIT M8 BLK

Part Number: SSY-910-0684

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

S&S Cycle Flywheel Assemblies 320-0417

S&S Cycle Flywheel Assemblies 320-0417

S&S Cycle Flywheel Assemblies 320-0417

CRANKSHAFT, FLYWHEEL ASSY W/O SPROCKET SHA

Part Number: SSY-320-0417

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

S&S Cycle M8 Flywheel Assemblies 320-0598

S&S Cycle M8 Flywheel Assemblies 320-0598

S&S Cycle M8 Flywheel Assemblies 320-0598

CRANKSHAFT, M8 FLYWHEEL 4-1/2" TAPERED

Part Number: SSY-320-0598

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

S&S Cycle M8 Flywheel Assemblies 320-0601

S&S Cycle M8 Flywheel Assemblies 320-0601

S&S Cycle M8 Flywheel Assemblies 320-0601

CRANKSHAFT, M8 FLYWHEEL 4-3/8" TAPERED

Part Number: SSY-320-0601

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

S&S Cycle M8 Flywheel Assemblies 320-0603

S&S Cycle M8 Flywheel Assemblies 320-0603

S&S Cycle M8 Flywheel Assemblies 320-0603

CRANKSHAFT, M8 FLYWHEEL 4-1/2" FULL

Part Number: SSY-320-0603

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today