This is one complete set (2x RE9B-T, 2x RE7C-L) of NGK Laser Iridium spark plugs, which are the Mazda OEM parts for ALL years of RX-8 (2004-2012).
Heat ranges of these plugs are 9 (Trailing), and 7 (Leading)
This is one complete set (2x RE9B-T, 2x RE7C-L) of NGK Laser Iridium spark plugs, which are the Mazda OEM parts for ALL years of RX-8 (2004-2012).
Heat ranges of these plugs are 9 (Trailing), and 7 (Leading)