129ci Big Bore Kit with Highlighted Fins – Black. Fits Milwaukee-Eight 2017up with 107ci Engine – S&S
129ci Big Bore Kit with Highlighted Fins – Black. Fits Milwaukee-Eight 2017up with 107ci Engine – S&S

129ci Big Bore Kit with Highlighted Fins – Black. Fits Milwaukee-Eight 2017up with 107ci Engine – S&S

$2,590.00
$2,590.00
Sold Out
Tax included. Shipping calculated at checkout.

ROLLIES PART No: SS910-0843

* Upgrades Milwaukee-Eight 107ci to 129ci.

* 4.320″ Bore.

* 4.375″ Stroke (4-3/8″).

* Forged Pistons.

* 11.1 Compression Ratio.

* Wrinkle Black Finish.

* With Highlighted Fins.

* Bolt-on Kit.

* No Crankcase Machining Required.

* Includes Gaskets & Hardware.

* Includes Cam Cover Badge

Suggested Additional Purchase:

Dual spray piston cooling jet kit # SS310-1203

Will Not Fit 114ci Models.

Tech Tips:

* Use Care during assembly to avoid damage to Cylinder Spigots.

* Ring gap & Piston to Cylinder Clearance should be checked.

* Rev Limit should be set at 3500 rpm for Initial Run In Period.

* Re-Calibration of Ignition Timing & Fuel Mixture is required.

Proudly Made in the USA by S&S Cycle!