2018 Engine Kits & Rotating Assemblies

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

Part Number: SSY-910-0700

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Estimated Ship Date: Feb 27, 2026 if ordered today

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S&S Cycle 2017+ M8 Models 4.250in Bore Unhoned Front Cylinder - Black Granite w/ Highlight

Part Number: SSY-910-0740

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Estimated Ship Date: Mar 4, 2026 if ordered today

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S&S Cycle 2017+ M8 129in Power Pack w/ Black Pushrod Tubes & Cam Chain Tensioners - Blk w/ Highlight

Part Number: SSY-310-1225

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Estimated Ship Date: Mar 4, 2026 if ordered today

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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

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Estimated Ship Date: Mar 5, 2026 if ordered today

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PERFORMANCE, 131" KIT - BLACK FINS M8

Part Number: SSY-910-0763

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Estimated Ship Date: Mar 5, 2026 if ordered today

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S&S Cycle 00-21 Sportster Models 1200cc to 1250cc Hooligan Kit - Wrinkle Black

Part Number: SSY-910-0701

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Estimated Ship Date: Mar 4, 2026 if ordered today

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S&S Cycle 00-21 Sportster Models 1200cc to 1250cc Hooligan Kit - Silver

Part Number: SSY-910-0702

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Estimated Ship Date: Mar 2, 2026 if ordered today

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PERFORMANCE, 131" KIT - HIGHLIGHTED FINS M8

Part Number: SSY-910-0762

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Estimated Ship Date: Feb 27, 2026 if ordered today

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

Part Number: SSY-910-0682

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Estimated Ship Date: Feb 27, 2026 if ordered today

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

Part Number: SSY-910-0683

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Estimated Ship Date: Feb 27, 2026 if ordered today

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

Part Number: SSY-910-0684

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Estimated Ship Date: Feb 27, 2026 if ordered today

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CRANKSHAFT, M8 FLYWHEEL 4-1/2" TAPERED

Part Number: SSY-320-0598

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Estimated Ship Date: Feb 27, 2026 if ordered today

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CRANKSHAFT, M8 FLYWHEEL 4-3/8" TAPERED

Part Number: SSY-320-0601

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Estimated Ship Date: Feb 27, 2026 if ordered today

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CRANKSHAFT, M8 FLYWHEEL 4-1/2" FULL

Part Number: SSY-320-0603

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Estimated Ship Date: Feb 27, 2026 if ordered today

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CRANKSHAFT, M8 FLYWHEEL 4-3/8" FULL

Part Number: SSY-320-0604

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Estimated Ship Date: Feb 27, 2026 if ordered today

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CRANKSHAFT, M8 FLYWHEEL 4-5/8" FULL

Part Number: SSY-320-0605

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Estimated Ship Date: Feb 27, 2026 if ordered today

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S&S Cycle 2017+ M8 129in Power Pack w/ Chrome Pushrod Tubes & Cam Chain Tensioner - Blk w/ Highlight

Part Number: SSY-310-1223

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Estimated Ship Date: Feb 25, 2026 if ordered today

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S&S Cycle 2017+ M8 129in Power Pack w/ Chrome Pushrod Tubes & Gear Drive Cam - Black w/ Highlight

Part Number: SSY-310-1224

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Estimated Ship Date: Feb 25, 2026 if ordered today

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S&S Cycle 2017+ M8 129in Power Pack w/ Blk Pushrod Tubes & Cam Chain Tensioners - Blk w/o Highlight

Part Number: SSY-310-1226

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Estimated Ship Date: Feb 25, 2026 if ordered today

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S&S Cycle 2017+ M8 129in Power Pack w/ Black Pushrod Tubes & Gear Drive Cam - Black w/ Highlight

Part Number: SSY-310-1227

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Estimated Ship Date: Feb 25, 2026 if ordered today

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S&S Cycle 2017+ M8 129in Power Pack w/ Black Pushrod Tubes & Gear Drive Cam - Black w/o Highlight

Part Number: SSY-310-1228

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Estimated Ship Date: Feb 25, 2026 if ordered today

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

Part Number: SSY-310-1229

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Estimated Ship Date: Feb 25, 2026 if ordered today

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

Part Number: SSY-310-1056B

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Estimated Ship Date: Feb 25, 2026 if ordered today

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

Part Number: SSY-310-1057B

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Estimated Ship Date: Feb 25, 2026 if ordered today

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

Part Number: SSY-310-1058A

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Estimated Ship Date: Feb 25, 2026 if ordered today

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