0-9 & A-B
C-D
E-H
M-N
O-R
S-T
U-Z
4 x NGK BKR7EQUP Platinum Spark Plugs for the MINI Cooper S R53
These are same plugs as found on the JCW with the 11% pulley. We recommend these plugs if you have the following pulley size, and minimum engine mods;