Features & Benefits:-
* Includes 3cc Dome Forged Pistons.
* Includes 0.045in. Head Gaskets.
* 3.937in. Bore.
* 4-3/8in. Stroke.
* 10.5:1 Compression Ratio with Stock 85cc Heads.
* 10.1:1 Compression Ratio with S&S 89cc Heads # SS106-3240.
* Use Care during assembly to avoid damage to Cylinder Spigots.
* Ring gaps must be checked & Recorded by the assembling Technician.
* Piston to Cylinder Clearance must be checked by the a