2017 Engine Kits & Rotating Assemblies

S&S Cycle 2017+ M8 Models 4.250in Bore 550G Cam Power Pack - Black w/ Highlight

Part Number: SSY-310-1051A

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

• Free Shipping
• $10 Summit Bucks
• Special Order

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

Part Number: SSY-310-1052B

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

• Free Shipping
• $10 Summit Bucks
• Special Order

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

Part Number: SSY-310-1053A

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

• Free Shipping
• $10 Summit Bucks
• Special Order

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

Part Number: SSY-310-1054B

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

• Free Shipping
• $10 Summit Bucks
• Special Order

S&S Cycle 2017+ M8 4.250in Bore 550C Cam w/ Chrome Pushrods Power Pack - Wrinkle Black w/ Highlight

Part Number: SSY-310-1101B

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

• Free Shipping
• $10 Summit Bucks
• Special Order

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

Part Number: SSY-310-1102A

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

• Free Shipping
• $10 Summit Bucks
• Special Order

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

Part Number: SSY-310-1103B

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

• Free Shipping
• $10 Summit Bucks
• Special Order

S&S Cycle 2017+ M8 128in CI Oil Cooled Power Pack w/ Chrome Pushrod Tubes w/ Highlight - Wrinkle Blk

Part Number: SSY-310-1104A

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

• Free Shipping
• $10 Summit Bucks
• Special Order

S&S Cycle 2017 M8 Models 128in Oil Cooled Power Pack w/ Chrome Pushrod Tubes w/o Highlight

Part Number: SSY-310-1105B

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

• Free Shipping
• $10 Summit Bucks
• Special Order

S&S Cycle 2017 M8 Models 128in CI Oil Cooled w/ Chrome Pushrod Tubes & Highlighted Fins

Part Number: SSY-310-1106A

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

• Free Shipping
• $10 Summit Bucks
• Special Order

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

Part Number: SSY-310-1107B

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

• Free Shipping
• $10 Summit Bucks
• Special Order

S&S Cycle 2017+ M8 4.250in Bore 550G Cam w/ Chrome Pushrods Power Pack - Black Granite w/ Highlight

Part Number: SSY-310-1108A

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

• Free Shipping
• $10 Summit Bucks
• Special Order

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: Feb 25, 2026 if ordered today

• Free Shipping
• $10 Summit Bucks
• Special Order

S&S Cycle 2017+ M8 128in CI Oil Cooled Power Pack w/ Chrome Pushrod Tubes w/ Highlight Black Granite

Part Number: SSY-310-1110A

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

• Free Shipping
• $10 Summit Bucks
• Special Order

KIT-LS 415 4.000/4.070 18cc DI

Part Number: MAN-28415R

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLY LS 402 FLAT

Part Number: MAN-29402

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLY LS 402 DISH

Part Number: MAN-28402

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 20, 2026 if ordered today

• Free Shipping
• Special Order

KIT-LS 402 4.000/4.005 18cc DI

Part Number: MAN-28402R

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLY LS 415 DISH

Part Number: MAN-28415

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLY KIT-LS 402 4.000/4.005 -4cc F/

Part Number: MAN-29402R

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

• Free Shipping
• Special Order

ROTATING ASSEMBLY LS 415 FLAT

Part Number: MAN-29415

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

• Free Shipping
• Special Order

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

Part Number: SSY-900-0354

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

• Free Shipping
• $10 Summit Bucks
• Special Order

Rotating Assembly, Competition, Forged 4340 Crankshaft, Forged Flat Pistons, 1-Piece Seal, Chevy, 408, Kit

Part Number: ESP-129384030

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Free Shipping
• Special Order

COMPETITION ASSEMBLY CHEV LS3

Part Number: ESP-129504070

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Free Shipping
• Special Order

Pro LS 4340 Rotating Assembly, 370 Cid., 4.040 bore, 3.622 stroke, 58x, 6.125 rod, 12cc Dish, 9.8:1 @ 65cc, 9.3:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R5836L04012

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order