2018 Engines & Components - Free Shipping on Orders Over $109 at Summit Racing

S&S Cycle M8 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: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

S&S Cycle M8 128 in. Big Bore Kits 910-0685A

2017+ M8 Models 4.250in Bore 4.500in Stroke Cylinder Kit - Wrinkle Black w/o Highlight

Part Number: SSY-910-0685A

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 Powersports Top End Engine Kits 910-0847A

2017+ M8 Models 4.320in Bore 4.500in Stroke Cylinder Kit - Black Granite w/ Highlight

Part Number: SSY-910-0847A

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 Milwaukee 8 Chain Drive Cam Chest Kits 310-1116A

S&S Cycle 2017+ Water Cooled M8 Models Chain Drive 540C Cam Chest Kit w/ Chrome Pushrod Tubes

Part Number: SSY-310-1116A

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 910-0846

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: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

S&S Cycle Milwaukee 8 Gear Drive Cam Chest Kits 310-1001A

S&S Cycle 2017+ M8 Models Gear Drive 465G Cam Chest Kit w/ Chrome Pushrod Tubes - Water Cooled

Part Number: SSY-310-1001A

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 Milwaukee 8 Gear Drive Cam Chest Kits 310-1258

S&S Cycle 2017+ M8 Oil Cooled Models Gear Drive Cam Chest Kit w/o Cam - Black Pushrod Tubes

Part Number: SSY-310-1258

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 128 in. Big Bore Kits 910-0733A

2017+ M8 4.2520in Bore x 4.5in Stroke 117 to 128 Big Bore Kit

Part Number: SSY-910-0733A

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 128 in. Big Bore Kits 910-0685

ENGINE PERFORMANCE, M8 MODELS W/114", 128" BIG BORE KIT M8 BLK

Part Number: SSY-910-0685

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 Flywheel Assemblies 320-0603

CRANKSHAFT, M8 FLYWHEEL 4-1/2" FULL

Part Number: SSY-320-0603

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

Callies Compstar Sport Series Crankshafts S26001

Crankshaft, Compstar, Sport Series, Billet 4340 Steel, 2.953 in. / 75 mm Stroke, Internal Balance, Subaru, EJ20, Each

Part Number: CPI-S26001

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

JE Pistons Sport Compact/European Pistons 360928

JE Pistons Sport Compact/European Pistons 360928

Pistons, Gen 2 Ecoboost 10:1

Part Number: JEP-360928-6

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Jesel Sportsman Series Tie-Bar Roller Lifters KSL-842760-28

Lifters, Tie-Bar Roller Lifters, Mechanical Roller, 0.842 in. O.D., Offset Intake, 0.760 in. Roller Diameter, GM, LS, Kit

Part Number: JES-KSL84276028

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

JE Pistons Sport Compact/European Pistons 360932

Pistons, Gen 2 Ecoboost 10.5:1

Part Number: JEP-360932-6

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Carrillo Pro-SA Connecting Rods NI-Q35<SA-65676H-6

Connecting Rods, Pro-SA, Forged Steel, A-Beam, Cap-Screw, Bushed, 5.676 in. Length, for Nissan, 3.5L, Set of 6

Part Number: CNN-Q35SA65676H6

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Eagle Competition Rotating Assemblies 86120

CRANK, RODS, BEARINGS KIT MITSU. 4B11T

Part Number: ESP-86120

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

AFR 224cc Black Hawk Gen 3 Hemi Cylinder Heads 2519

Cylinder Head, 224cc Black Hawk Gen 3 Cylinder Head, Driver Side, Bare, Aluminum, Mopar Gen III Hemi, Each

Part Number: AFR-2519

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

AFR 224cc Black Hawk Gen 3 Hemi Cylinder Heads 2520

Cylinder Head, 224cc Black Hawk Gen 3 Cylinder Head, Passenger Side, Bare, Aluminum, Mopar Gen III Hemi, Each

Part Number: AFR-2520

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

COMP Cams HRT Max Power Camshaft Kits CK201-337-17

Camshaft Kits, HRT Max Power, Hydraulic Roller, Advertised Duration 287/299, Lift 0.635/0.635, Chrysler, Dodge, Jeep, Ram, 5.7L, 6.4L, Kit

Part Number: CCA-CK201-337-17

Not Yet Reviewed

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S&S Cycle Powersports Top End Engine Kits 910-0848A

2017+ M8 Models 4.320in Bore 4.625in Stroke Cylinder Kit - Wrinkle Black w/ Highlight

Part Number: SSY-910-0848A

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 Powersports Top End Engine Kits 910-0849A

2017+ M8 Models 4.320in Bore 4.625in Stroke Cylinder Kit - Wrinkle Black w/o Highlight

Part Number: SSY-910-0849A

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 Milwaukee 8 Gear Drive Cam Chest Kits 310-1002A

S&S Cycle 2017+ M8 Models Gear Drive 475G Cam Chest Kit w/ Chrome Pushrod Tubes - Water Cooled

Part Number: SSY-310-1002A

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 Milwaukee 8 Chain Drive Cam Chest Kits 310-1003B

S&S Cycle 2017+ Oil Cooled M8 Models Chain Drive 465C Cam Chest Kit w/ Chrome Pushrod Tubes

Part Number: SSY-310-1003B

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 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