S&S Cycle M8 124 in. Big Bore Kits 910-0681A

Name: S&S Cycle M8 124 in. Big Bore Kits
Brand: S&S Cycle
SKU: SSY-910-0681A
Price: 1643.95 USD
Availability: OutOfStock
Rating: 0 (0 reviews)

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Part Number: SSY-910-0681A

$1,643.95

S&S Cycle M8 124 in. Big Bore Kits

2017+ M8 Models 4.250in Bore 4.375in Stroke Cylinder Kit - Wrinkle Black w/o Highlight
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S&S Cycle M8 124 in. Big Bore Kits 910-0681A

SSY-910-0681A

Not Yet Reviewed

Part Number: SSY-910-0681A

Estimated Ship Date: Dec 16, 2026

$1,643.95

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Overview

Applications

Q&A

Estimated Ship Date: Dec 16, 2026 Would you rather pick it up?

Overview

Brand:

S&S Cycle

Manufacturer's Part Number:

910-0681A

Part Type:

Powersports Top End Engine Kits

Product Line:

S&S Cycle M8 124 in. Big Bore Kits

Summit Racing Part Number:

SSY-910-0681A

Cylinder Included:

Yes

Pistons Included:

Yes

Piston Material:

Forged aluminum

Piston Rings Included:

Yes

Wrist Pin Included:

Yes

Wrist Pin Bearing Included:

Head Gaskets Included:

Yes

Base Gaskets Included:

Yes

Cam Chain Tensioner Gaskets Included:

Exhaust Gaskets Included:

Yes

Valve Cover Gaskets Included:

Quantity:

Sold as a kit.

Notes:

Cylinders are wrinkle black with no highlights.

S&S Cycle M8 124 in. Big Bore Kits

Inspired by S&S Pro Stock drag race engines, S&S Cycle 124 in. big bore kits utilize a ductile cast iron liner wrapped in cast aluminum for optimum thermal conductivity and performance. These bolt-in kits do not require machining, re-balancing or engine removal, and include just about everything you'll need to complete the installation. S&S Cycle 124 in. big bore kits are available in wrinkle black or wrinkle black with highlighted finned cylinders. Transform your stock engine into a 124 in. monster with the installation of a 124 in. big bore kit from S&S Cycle!

S&S Cycle 124 in. big bore kit features:

* Available for 107 M8 models
* 107 to 124 in. big bore kit
* Bolt-on kit
* Includes gaskets and hardware required for installation
* 4.250 in. bore
* Forged Pistons
* 11:1 compression ratio