S&S Cycle SS310-1103A Power Pack 128ci Big Bore Kit w/Chain Drive 550 Camshaft w/Highlighted Fins Chrome Pushrod Tubes for M8 17-Up w/114ci Oil Cooled

Features & Benefits:-

* 114ci to 128ci Big Bore Kit.

* Fits Oil Cooled Models.

* Chain Drive.

* Wrinkle Black with Highlighted Cylinder Fins.

* Bolt-On Kit — No Case Machining Required.

* 4.250in. Bore.

* Forged Pistons.

* 11.1 Compression Ratio.

* 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 C a

* 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 !