Our Part Number: EN11-530OEM Part Numbers - HD 22333-63
Item Description - .070" over Three Ring Piston Ring Set for 1963 to 1981 Harley Davidson and 1982 to 1995 Columbia Par Car 250cc two cycle engine
+++ Top quality 3-ring set made to OEM specifications
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NOTE: Piston diameter is approximately 2.809".
NOTE: Can be used on 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