This is a complete o-ring kit for ADA Racing 1100/1200 girdled and non-girdled billet heads.
Includes these orings:
1 - orya1100 outer oring
3 - or043 compression oring
3 - or024 head to dome oring
3 - or020 dome top oring
Includes these orings:
1 - orya1100 outer oring
3 - or043 compression oring
3 - or024 head to dome oring
3 - or020 dome top oring