whats the difference between the r45t and r45ts AC delco. . . Somebody reccomended the R45ts plugs and i noticed the difference is the plug sticks out further than the threaded body of the plug I was wondering what this difference actually does? Which would be a better choice? Depends on your heads as to if they would be better
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ACDelco R45TS - Alternative spark plugs 30 replacement spark plugs found for ACDelco R45TS Search this spark plug cross reference with more than 90000 models
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