Features & Benefits:-
* Includes 3cc Dome Forged Pistons.
* Includes 0.045″ Head Gaskets.
* 3.937″ Bore.
* 4-3/8″ Stroke.
* 10.5:1 Compression Ratio with Stock 85cc Heads.
* 10.1:1 Compression Ratio with S&S 89cc Heads
sembling Technician.
* Piston to Cylinder Clearance must be checked by the assembling Technician & Cylinders honed with torque plates fitted if required.
* Rev Limit should be set at 2500 rpm for the first 80klm.
* Rev Limit should then
Fit with S&S 79cc Heads.
Proudly Made in the USA by S&S Cycle !
