2020 Engine Kits & Rotating Assemblies Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

S&S Cycle M8 Big Bore Cylinders 910-0674

2017 M8 Models 4.250in Bore Rear Cylinder - Wrinkle Black w/o Highlight

Part Number: SSY-910-0674

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

S&S Cycle M8 131 in. Big Bore Kits 910-0762

PERFORMANCE, 131" KIT - HIGHLIGHTED FINS M8

Part Number: SSY-910-0762

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

S&S Cycle 132 in. Power Packages with Gear Drive Cam 310-1230

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

Part Number: SSY-310-1230

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

S&S Cycle 132 in. Power Packages with Chain Drive Cam 310-1237

S&S Cycle 2017+ M8 132in Power Pack w/ Chrm Pushrod Tubes & Cam Chain - Blk Granite w/ Highlight

Part Number: SSY-310-1237

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

S&S Cycle 124 in. Power Packages with Gear Drive Cam 310-1059A

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

Part Number: SSY-310-1059A

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

S&S Cycle 128 in. Power Packages with Gear Drive Cam 310-1108A

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: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

S&S Cycle 132 in. Power Packages with Gear Drive Cam 310-1234

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

Part Number: SSY-310-1234

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

S&S Cycle 132 in. Big Bore Cylinder Kits 910-0845

S&S Cycle 2017+ M8 Models 4.5in Stroke 132in Big Bore Kit

Part Number: SSY-910-0845

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

S&S Cycle 132 in. Power Packages with Chain Drive Cam 310-1233

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

Part Number: SSY-310-1233

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

S&S Cycle M8 Big Bore Cylinders 910-0737

2017+ M8 Models 4.250in Bore Rear Cylinder - Black Granite w/ Highlight

Part Number: SSY-910-0737

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

S&S Cycle 128 in. Power Packages with Gear Drive Cam 310-1104A

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: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

S&S Cycle 124 in. Power Packages with Chain Drive Cam 310-1052B

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: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Scat Modern Muscle Engine Rotating Assemblies 1-48515

Engine Rotating Kits, Rotating Assembly, Forged Crank, Forged Pistons, H-Beam Rods, Dodge, 426 C.I.D., Hemi Gen III, Kit

Part Number: SCA-1-48515

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Scat Modern Muscle Engine Rotating Assemblies 1-48521BI

Engine Rotating Kits, Rotating Assembly, Forged Crank, Forged Pistons, H-Beam Rods, Dodge, 426 C.I.D., Hemi Gen III, Balanced, Kit

Part Number: SCA-1-48521BI

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Scat Modern Muscle Engine Rotating Assemblies 1-48523BI

Engine Rotating Kits, Rotating Assembly, Forged Crank, Forged Pistons, H-Beam Rods, Dodge, 427 C.I.D., Hemi Gen III, Balanced, Kit

Part Number: SCA-1-48523BI

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

S&S Cycle M8 Big Bore Cylinders 910-0734

2017+ M8 Models 4.250in Bore Front Cylinder - Black Granite w/ Highlight

Part Number: SSY-910-0734

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-20040K

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-20040K

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-30002-BK

Repair Kit, Top End, 89.97mm Bore, 11.30 to 1 Compression Ratio, Arctic Cat, Kawasaki, Suzuki, Kit

Part Number: NTI-NA-30002-BK

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-50012K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-50012K

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-50091-CK

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50091-CK

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-10014-4K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-10014-4K

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-50091-BK

Piston, TOP END REPAIR KIT

Part Number: NTI-NA-50091-BK

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2000-2024 KX65, 2003-2007 RM65 - NX-20065-BK

Repair Kit, Top End, 44.450mm Bore, 8.40 to 1 Compression Ratio, Kawasaki, Suzuki, Kit

Part Number: NTI-NX-20065-BK

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Namura Technologies Top-End Repair Kits NA-30015K

Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT

Part Number: NTI-NA-30015K

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today