.12 Head Buttons for T12-LT5M and T12-LT3M Marine Engines, High Nitro
Select either Standard or Turbo Plug. Fits both 3 and 5 port engines. Both water cooled and air cooled head versions available. Verify part number.
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.12 Head Button Low Nitro for T12LT5/M and 12LT3/M Marine Engines, Standard Plug, 15-25% Nitro