2020 Engine Kits & Rotating Assemblies Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

S&S Cycle 1250cc Conversion Cylinder Kits 910-0691

S&S Cycle 86-21 Sportster Models 1250cc Conversion Kit - Wrinkle Black

Part Number: SSY-910-0691

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle M8 Big Bore Cylinders 910-0682

ENGINE PERFORMANCE, 17-18 M8 MODELS, BIG BORE CYLINDER SET BLK

Part Number: SSY-910-0682

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 1250cc Conversion Cylinder Kits 910-0692

S&S Cycle 86-21 Sportster Models High Compression 1250cc Conversion Kit - Wrinkle Black

Part Number: SSY-910-0692

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

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: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 1200cc to 1250cc Hooligan Cylinder Kits 910-0702

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

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 132 in. Power Packages with Chain Drive Cam 310-1235

S&S Cycle 2017+ M8 Models 4.320in Bore 550C Cam Power Pack - Black Granite w/ Highlight

Part Number: SSY-310-1235

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 1250cc Conversion Cylinder Kits 910-0689

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

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 128 in. Power Packages with Chain Drive Cam 310-1109B

S&S Cycle 2017+ M8 Models 128in Power Pack w/ Chrome Pushrod Tubes - Granite Blk w/ Highlight

Part Number: SSY-310-1109B

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 132 in. Big Bore Cylinder Kits 910-0845

S&S Cycle 2017+ M8 Models 4.5in Stroke 132in Big Bore Kit

Part Number: SSY-910-0845

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 129 in. Power Packages with Gear Drive Cam 310-1228

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: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 132 in. Power Packages with Chain Drive Cam 310-1231

S&S Cycle 2017 M8 132in Power Pack w/ Chrome Pushrod Tubes & Cam Chain Tensioners - Blk w/ Highlight

Part Number: SSY-310-1231

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 132 in. Power Packages with Chain Drive Cam 310-1233

S&S Cycle 2017+ M8 132in Power Pack w/ Chrm Pushrod Tubes & Cam Chain Tensioners - Blk w/o Highlight

Part Number: SSY-310-1233

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 124 in. Power Packages with Chain Drive Cam 310-1056B

S&S Cycle 2017+ M8 124in CI Oil Cooled Power Pack w/ Black Pushrod Tubes w/ Highlight

Part Number: SSY-310-1056B

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 132 in. Power Packages with Gear Drive Cam 310-1234

S&S Cycle 2017+ M8 132in Power Pack w/ Chrome Pushrod Tubes & Gear Drive Cam - Black w/o Highlight

Part Number: SSY-310-1234

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 124 in. Power Packages with Gear Drive Cam 310-1059A

S&S Cycle 2017+ M8 124in CI Oil Cooled Power Pack w/ Black Pushrod Tubes w/o Highlight

Part Number: SSY-310-1059A

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

S&S Cycle 129 in. Power Packages with Gear Drive Cam 310-1224

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: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

Namura Technologies Top-End Repair Kits NX-70020-CK

TOP END REPAIR KIT

Part Number: NTI-NX-70020-CK

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-10043-3K

TOP END REPAIR KIT

Part Number: NTI-NA-10043-3K

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-30015-CK

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30015-CK

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-30053K

TOP END REPAIR KIT

Part Number: NTI-NA-30053K

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-40013-BK

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-40013-BK

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-50014-4K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50014-4K

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-50019-6K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50019-6K

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

S&S Cycle M8 Flywheel Assemblies 320-0605

CRANKSHAFT, M8 FLYWHEEL 4-5/8" FULL

Part Number: SSY-320-0605

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

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: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today