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WE WILL BE CLOSED THURSDAY AND FRIDAY NOVEMBER 27th & 28th TO CELEBRATE THANKSGIVING AND WILL REOPEN ON MONDAY, DECEMBER 1st.

All orders placed during this time will be processed on Monday, December 1st when we resume our normal business hours.

HAPPY THANKSGIVING FROM THE TEAM AT MY INBOARD MARINE & GOD BLESS YOU!

Spark Plug Set Vortec 5.7L AC Delco Replaces PCM RP030008 MR43-LTS Set Of 8

$46.00 $52.33


AC Delco MR43-LTS Long Reach Spark Plug Set

Replaces PCM RP030008 & RP030008A

Includes 8 Plugs

  • AC Delco MR43-LTS
  • Replaces Indmar 49-1008
  • 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
  • AC Delco spark plug
  • For GM V8 Vortec engines
  • Replaces AC Delco MR44-T
  • Replaces Crusader 97782
  • Replaces Mercruiser 33-898264001
  • Replaces Marine Power 0003-015
  • Replaces NGK BR6FS
  • Replaces Champion RV8C
  • Replaces OMC 0763819

Recommended by the manufacturers for optimum performance, these spark plugs are the correct heat range for your marine engine