Brisk Racing Plugs

These plugs are 3 heat ranges colder then stock. Good for mild nitrous, blower and turbo applications over 800rwhp.  SET OF 8

These plugs are 2 heat ranges colder then stock. Good for mild nitrous, blower and turbo applications under 800rwhp.  SET OF 8  

These plugs are one heat range colder then stock. Good for light nitrous, blower and turbo applications under 550rwhp  SET OF 8  

Stock heat range plugs for N/A and Bolton cars. SET OF 8  

These plugs are the factory heat range and recommend for cars making less then 450rwhp. SET OF 8  

These plugs are for cars making in excess of 450rwhp. These are one to two stages colder then stock. SET OF 8