Original Crusader - PCM Spark Plug Set RP030008
Includes 8 Plugs
- GM Vortec 300+ HP Replaces the MR43LTS
- The Vortec engines have the intake manifold bolts installed going straight down
- Non-Vortec bolts are angled
- PLUG GAP .045
- IF USING WITH HVS IGNITION, .060 IS RECOMMENDED
- This Autolite plug set crosses to the AC Delco MR43LTS
Recommended by the manufacturers for optimum performance, these spark plugs are the correct heat range for your marine engine