Spark Plug for MERCRUISER 255, 260, 350 Mag Alpha Bravo MPI Ski, 454, 5.0L, 5.7L

This listing is about one (1) NGK Spark Plug for the following MERCRUISER GM - Small Block inboard engines, which replaces OEM Part #CWC 7 NJ:

• 255
  
• 260
  
• 350 Mag
  
• 350 Mag Alpha (1986-1997)
  
• 350 Mag Bravo MPI
  
• 350 Mag EFI/MP (S/N up to 0F799999)
  
• 350 Mag MPI (S/N up to 0F799999) (2000-2006)
  
• 350 Mag MPI Ski (1995-1996)
  
• 350 Mag Ski (1991-1997)
  
• 454 EFI/MP
  
• 454 MPI
  
• 5.0L MPI
  
• 5.7L (1988-1997)
  
• 5.7L (S/N up to 0L000000)
  
• 5.7L Comp (S/N up to 0L000000)
  
• 5.7L MIE (1993-1995)
  
• 5.7L MIE (LH) (1988-1993)
  
• 5.7L MIE (RH) (1988-1993)
  
• 5.7L Ski (1985-1997)