HEY BANSIL THESE PLATES ONLY APPLIED TO THE 92-97 V6 THE LATER ONES COULD NOT BLOW OUT BECAUSE OF THE DESIGN OF THE REAR CAPS ON THE HEAD THEY HAVE A RETAINING GROVE CAST IN THEM WHERE AS THE OLDER ONES DIDN,T ,AND USUALLY WHAT HAPPENS IS WHEN THE OIL IS NOT REGULARLY CHANGED THE OIL REURN HOLE BEHIND THE PLUG GETS PLUGGED THEN FULL OIL PRESSURE IS APPLIED AND POOP OUT GOES THE PLUG , I HAVE ONE OR TWO OF THE KITS LEFT FOR BOTH THE DOHC AND THE SOHC ,, ABOUT 2 YEARS AGO I HAD A CALL FROM SOMEONE LOOKING FOR THE KITS AND I HAD AT THE TIME 20-OR 25 SETS AS I PUT THEM ON EVERY ENG THAT CAME THRU THE SHOP IF THEY DIDN,T HAVE THEM , SO I SOLD THEM BACK TO A CO CALLED AIMI KNOW WHAT THOSE INITIALS ARE .. BET YOU CAN GUESS GIVE ME A CALL AND LETS TALK ABOUT THEM JERRY