Engine Kits & Rotating Assemblies

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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PISTONS, S&S 106" BIG BORE HOT SETUP KT

Part Number: SSY-900-0354

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Estimated Ship Date: Feb 27, 2026 if ordered today

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PISTONS, PISTON/CYLINDER KIT 124

Part Number: SSY-910-0223

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Estimated Ship Date: Feb 27, 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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107" BIG BORE KIT SIL

Part Number: SSY-910-0480

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Estimated Ship Date: Feb 27, 2026 if ordered today

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S&S Cycle 79-84 BT 88in Sidewinder 3-5/8in Big Bore Cylinder Kit - Gloss Black

Part Number: SSY-91-9001

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Estimated Ship Date: Feb 27, 2026 if ordered today

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S&S Cycle 84-99 BT 96in Sidewinder Big Bore Stroker Kit - Natural

Part Number: SSY-91-7660

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Estimated Ship Date: Feb 27, 2026 if ordered today

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S&S Cylinder 84-99 BT w/Super Stock Cylinder Heads 89in 3 1/2in Bore Cylinder & Piston Kit - Wblack

Part Number: SSY-91-7711

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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

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

Part Number: SSY-91-9023

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Estimated Ship Date: Feb 27, 2026 if ordered today

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1999+ BT 4-1/2in Stroke 3-7/8in Bore Front Cylinder Assembly

Part Number: SSY-106-4065

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Estimated Ship Date: Feb 27, 2026 if ordered today

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1999+ BT 4-1/2in Stroke 3-7/8in Bore Rear Cylinder Assembly

Part Number: SSY-106-4066

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Estimated Ship Date: Feb 27, 2026 if ordered today

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2017+ M8 Models 4.250in Bore 550C Cam w/ Black Pushrods Power Pack - Black w/ Highlight

Part Number: SSY-310-1054C

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Estimated Ship Date: Feb 27, 2026 if ordered today

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

Part Number: SSY-310-1227C

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Estimated Ship Date: Feb 27, 2026 if ordered today

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

Part Number: SSY-310-1232C

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Estimated Ship Date: Feb 27, 2026 if ordered today

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

Part Number: SSY-310-1233C

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Estimated Ship Date: Feb 27, 2026 if ordered today

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

Part Number: SSY-310-1234C

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Estimated Ship Date: Feb 27, 2026 if ordered today

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2017 M8 132in Power Pack w/ Chrm Pushrod Tubes & Gear Drive Cam - Blk Granite w/ Highlight

Part Number: SSY-310-1238C

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Estimated Ship Date: Feb 27, 2026 if ordered today

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99-06 BT Stock Bore Crankcase Assembly

Part Number: SSY-31-0172A

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Estimated Ship Date: Feb 27, 2026 if ordered today

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

Part Number: SSY-310-1056C

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

Part Number: SSY-310-1057C

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2017+ M8 Models 4.250in Bore 550G Cam w/ Chrome Pushrods Power Pack - Black w/ Highlight

Part Number: SSY-310-1102C

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Estimated Ship Date: Feb 27, 2026 if ordered today

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2017+ M8 4.250in Bore 550C Cam w/ Chrome Pushrods Power Pack - Black Granite w/ Highlight

Part Number: SSY-310-1107C

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Estimated Ship Date: Feb 27, 2026 if ordered today

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

Part Number: SSY-310-1223C

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Estimated Ship Date: Feb 27, 2026 if ordered today

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