Failed injector O-rings causing low ICP on International DT466E, T444E, CAT 3126, Ford 7.3

 TO REPLACE THE STANDARD STEEL BACKUP RING IN A 7.3 POWER STROKE O-ring KITS

INJECTOR UPPER O-RING TO PREVENT O-RING BLOW OUT. AND LOST OF HIGH-PRESSURE OIL / low ICP

On you std O-ring set remove the split steel ring and replace it with this new soil heavy duty spiral backup ring in this kit. Use the rest of the O-rings.