Fixed several problems….
Before the plug swap, I had the dreaded shudder, limp mode change, and rough idle. Didn’t figure my plugs were too awful bad. I was wrong. These plugs made a huge difference. Any ailment I may have had is gone. Couldn’t tell on MPG, foot is too heavy to be able to verify.
Reviewed by: Kristopher Anderson from DUNCAN, OK on 6/4/2021