HKS SUPER FIRE RACING SPARK PLUG M40LF FOR 05-12 MAZDA 6 | 06-13 MAZDA 3 | 06-14 MAZDA MX-5 | 06-13 MAZDASPEED 3, 6 (hks50003-M40LF)

These are Conical Seat Long Reach Type and use both Iridium and Platinum for the utmost performance for street and race applications. These plugs are recommended for reliable ignition, durability, and anti-carbon buildup under high load. This is the Ultimate spark plug for increasing the performance of tuned or stock engines.

PLEASE NOTE

APPLICATION

• Mazda 6 (2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012)
• Mazda 3 (2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013)
• Mazda MX-5 (2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014)
• MAZDASPEED 3 (2007, 2008, 2009, 2010, 2011, 2012, 2013)
• MAZDASPEED 6 (2006, 2007)

FEATURES

• Series: M-LF
• Type: Conical Seat Long Reach
• Thread Size (mm): 14x12.7
• Wrench Size (mm): 16