No products in the cart.
In stock
Purchasing Information:
After you place your order on this site, we will contact you to confirm your order details prior to payment being made. All orders will be processed and fulfilled by one of our authorised dealers. Rollies Speed Shop Distribution is a wholesale business and does not sell directly to the general public. For more info see the Purchasing Information page.
Features & Benefits:-
* 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
Tech Tips:-
* Will Not Fi t 114ci Models.
* 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 !
MFR PART No: 910-0843
ROLLIES PART No: SS910-0843
Notifications
