HARLEY-DAVIDSON Engine Kits & Rotating Assemblies

S&S 98 BIG BORE KIT BLK

Part Number: SSY-910-0481

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Estimated Ship Date: Apr 27, 2026 if ordered today

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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: May 11, 2026 if ordered today

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ENGINE PERFORMANCE, 124" 4-1/8" BORE, CYLNDR ST 4-1/8" BR 124"

Part Number: SSY-910-0338

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Estimated Ship Date: May 11, 2026 if ordered today

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Top End Engine Kit, Sidewinder Big Bore, Black Wrinkle Finish, 4 in., Forged Piston, Harley-Davidson®, Kit

Part Number: SSY-910-0651

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Estimated Ship Date: May 11, 2026 if ordered today

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Big Bore Kit, 107 in., Drop-In, 3.937 in. Bore, Wrinkle Black Cylinders with Highlighted Fins, Harley-Davidson®, Kit

Part Number: SSY-910-0500

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Estimated Ship Date: May 11, 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: May 11, 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: May 11, 2026 if ordered today

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S&S Cycle 86-19 Sportster Models 883 to 1200cc Conversion Kit - Wrinkle Black

Part Number: SSY-910-0687

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Estimated Ship Date: May 11, 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: May 11, 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: May 11, 2026 if ordered today

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

Part Number: SSY-910-0691

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Estimated Ship Date: Apr 27, 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: Apr 27, 2026 if ordered today

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ENGINE PERFORMANCE, 124" 4-1/8" BORE, CYLNDR ST 4-1/8" BR 124"

Part Number: SSY-910-0401

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Estimated Ship Date: Apr 27, 2026 if ordered today

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

Part Number: SSY-910-0699

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Estimated Ship Date: Apr 27, 2026 if ordered today

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80" COMPLETE TOP END KIT BT

Part Number: SSY-90-0098

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Estimated Ship Date: Apr 27, 2026 if ordered today

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2007+ BT 4.250in Bore 4.840in - Wrinkle Black w/o Highlight

Part Number: SSY-910-0763A

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Estimated Ship Date: May 11, 2026 if ordered today

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S&S Cycle 70-84 BT 93in Sidewinder Big Bore Stroker Kit - Gloss Black

Part Number: SSY-91-9126

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Estimated Ship Date: May 11, 2026 if ordered today

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

Part Number: SSY-910-1009A

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Estimated Ship Date: May 11, 2026 if ordered today

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2017+ M8 Models 129in Big-Bore Kit 4.375in Stroke Non-Highlighted Cylinders

Part Number: SSY-910-0844A

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Estimated Ship Date: May 11, 2026 if ordered today

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

Part Number: SSY-910-0909A

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Estimated Ship Date: May 11, 2026 if ordered today

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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

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Estimated Ship Date: May 11, 2026 if ordered today

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2017+ M8 Models 4.250in Bore 4-5/8in Stroke Cylinder Kit - Wrinkle Black w/ Highlight

Part Number: SSY-910-0762A

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Estimated Ship Date: May 11, 2026 if ordered today

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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

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Estimated Ship Date: May 11, 2026 if ordered today

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S&S Cylinder 84-99 BT w/Super Stock Cylinder Heads 80in 3 1/2in Bore Cylinder & Piston Kit - Natural

Part Number: SSY-91-7213

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Estimated Ship Date: May 11, 2026 if ordered today

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

Part Number: SSY-910-0682A

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Estimated Ship Date: May 11, 2026 if ordered today

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