Power Pack – 129ci Big Bore Kit with Chain Drive 550 Camshaft, Highlighted Fins & Chrome Pushrod Tubes. Fits Milwaukee-Eight 2017up with 107ci Oil Cooled Engine.

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Features & Benefits:-* 107ci to 129ci Big Bore Kit.* Fits Oil Cooled Models.* Chain Drive. Forged Pistons with 11.1 Compression Ratio.* Wrinkle Black Finish with Highlighted Cylinder Fins.* Bolt-On Kit, No Case Machining Required.* 4.320in. Bore.* Includes Oil Pump & Cam Plate.* Includes Quickee Pushrods with Chrome 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 TensionerTech 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 Pur chase:-* 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 !
MFR PART No: 310-1223

ROLLIES PART No: SS310-1223