Can anyone recommend the denso iridium spark plugs for an 89 Lucas 5.3?
I may have found a suitable one Denso 4714 but can’t be certain. Would they carry a different gapping requirement?
Thanks for help
Can anyone recommend the denso iridium spark plugs for an 89 Lucas 5.3?
I may have found a suitable one Denso 4714 but can’t be certain. Would they carry a different gapping requirement?
Thanks for help