EN11-100 - Piston Assembly, Three Rings (STD)

Standard Piston and Ring Assembly for 1963 to 1981 Harley Davidson and 1982 to 1995 Columbia Par Car 250cc two cycle engine +++ Made of high quality aluminum alloy to OEM specifications +++ Each assembly includes piston, wrist pin, lock rings, and three piston rings.

NOTE: Piston diameter is approximately 2.739".

NOTE: Will replace two ring pistons.

VERY IMPORTANT NOTE: Always check and set your ring end gap before assembly +++ The end gap should be between .007" and .017" +++ If not wide enough file to suit +++ If not familiar with this procedure contact a service professional or read up on it in your factory service manual.