Spark Plug for INDMAR GM 3.0L, 4.3L V6, 5.0L, 5.7L, 6.6L, 7.4L, 8.2L V8, EFI HO

This listing is about one (1) NGK Spark Plug for the following INDMAR GM inboard engines:

• 3.0L
  
• 4.3L V6 EFI
  
• 5.0L V8 230 - Small Block
  
• 5.0L V8 230SP - Small Block
  
• 5.7L V8 Carb - Small Block
  
• 5.7L V8 EFI - Small Block
  
• 5.7L V8 Indmar TBI - Small Block
  
• 6.6L V8 - Small Block
  
• 7.4L V8 Carb - GM Big Block (up to 1997)
  
• 7.4L V8 Carb H.O. - GM Big Block (up to 1997)
  
• 7.4L V8 EFI - GM Big Block (up to 1997)
  
• 7.4L V8 EFI H.O. - GM Big Block (up to 1997)
  
• 8.2L V8 - GM Big Block (up to 1997)
  
• 8.2L V8 H.O. - GM Big Block (up to 1997)