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

S&S Cycle 111 in. Hot Set-Up Cylinder Kits 910-0025

S&S Cycle 99-06 BT Replacement 4-1/8in Bore Cylinder & Piston Kit w/ Stock Bolt Pattern

Part Number: SSY-910-0025

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today

S&S Cycle 80 in. Stock Bore Cylinder Kits 910-0179

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

Part Number: SSY-910-0179

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today

S&S Cycle 80 in. Stock Bore Cylinder Kits 910-0182

S&S Cycle 84-99 BT w/ Stock Cylinder Heads 3-1/2in Bore Cylinder & Piston Kit - Wrinkle Black

Part Number: SSY-910-0182

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today

S&S Cycle 132 in. Big Bore Cylinder Kits 910-0846

S&S Cycle 2017+ M8 Models 4.320in Bore 4.500in Stroke Cylinder Kit - Wrinkle Black w/o Highlight

Part Number: SSY-910-0846

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today

S&S Cycle 129 in. Big Bore Cylinder Kits 910-0844

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

Part Number: SSY-910-0844

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today

Vertex Complete Engine Rebuild Kits WR00029

Complete Engine Rebuild Kit, Stock Bore, Stock Stroke, 9.90 to 1 Compression, Kawasaki, Kit

Part Number: VPX-WR00029

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

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Estimated Ship Date: Jul 30, 2025 if ordered today

Hot Rods Complete Bottom End Rebuild Kits HR00109

BOTTOM END KIT Polaris

Part Number: HRI-HR00109

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

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Estimated Ship Date: Jul 28, 2025 if ordered today

Hot Rods Complete Bottom End Rebuild Kits HR00119

BOTTOM END KIT Polaris

Part Number: HRI-HR00119

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Estimated Ship Date: Jul 28, 2025 if ordered today

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Estimated Ship Date: Jul 28, 2025 if ordered today

Cylinder Works Big Bore Cylinder Kits 422-61002K2

BIG BORE KIT

Part Number: CLW-61002-K02

Not Yet Reviewed

Estimated Ship Date: Jul 28, 2025 if ordered today

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Estimated Ship Date: Jul 28, 2025 if ordered today

SCAT Engine Components Engine Rotating Kits 1-94060

ROTATING ASSEMBLY

Part Number: SCA-1-94060-040

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

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Estimated Ship Date: Sep 3, 2025 if ordered today

S&S Cycle Shovelhead Cylinder Sets 91-9011

S&S Cycle 66-78 74in BT & Stock Bore Strokers 3-7/16in Bore Cylinders - Gloss Black

Part Number: SSY-91-9011

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2025 if ordered today

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Estimated Ship Date: Jul 22, 2025 if ordered today

S&S Cycle Evolution Cylinders 91-7000

S&S Cycle 84-99 BT w/ Stock Heads 3-5/8in Bore Cylinder Set - Natural

Part Number: SSY-91-7000

Not Yet Reviewed

Estimated Ship Date: Jul 22, 2025 if ordered today

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Estimated Ship Date: Jul 22, 2025 if ordered today

Scat Engine Rotating Assemblies 1-91015

Engine Rotating Assembly, Series 9000, Cast Crank, Forged Pistons, I-Beam Rods, Chevy, Small Block, Kit

Part Number: SCA-1-91015

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

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Estimated Ship Date: Sep 3, 2025 if ordered today

Clevite Engine Parts Engine Rebuild Kits 486-1000