S&S Cycle SS310-1225 Power Pack 129ci Big Bore Kit w/Black Pushrod Tubes for Milwaukee-Eight Touring 17-Up/Softail 18-Up w/107ci Oil Cooled Engine

* 107ci to 129ci Big Bore Kit (4.320in. Bore)

* Fits Oil Cooled Models.

* Chain Drive Cam & Forged Pistons with 11.1 Compression Ratio

* Wrinkle Black Finish with Highlighted Cylinder Fins.

* Bolt-On Kit, No Case Machining Required.

* Includes Oil Pump & Cam Plate.

* Includes Quickee Pushrods with BLACK Pushrod Tubes

* Includes S&S Premium Tappets

* Includes Tappet Cuffs

* Includes S&S 550 Chain Drive Ca

* Includes S&S Valve Springs

* Includes S&S Cam Chain Tensioner

Tech Tips:-

* Must Purchase S&S M8 Head Bolts # SS900-1006 or ARP Head Bolt Kit FE-3007.

* 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.

People who Buy this Product also Purchase:-

* Hi-Strength Rocker Stud & Nut Kit # SS900-1013 or FE-3037.

* ARP Chrome Moly Hi-Performance Cylinder Stud Kit FE-3027.

Proudly Made in the USA by S&S Cycle !