New plugs for my 1999 MasterCraft ProStar 190
The new plugs work great. The funny thing with platinum plugs is they always look new, but they still wear out according to my mechanic. He was right. More power from my ProStar 190.
Spark Plug Kit for 5.7L Indmar/ GM Chevrolet Engine Application with Vortex Heads (Long Reach Plugs) Non-Catalyzed Exhaust.
Includes:
8 AC Delco MR4LTS spark plugs.
The new plugs work great. The funny thing with platinum plugs is they always look new, but they still wear out according to my mechanic. He was right. More power from my ProStar 190.