Brisk Racing Plugs

Brisk- Racing Spark Plugs (05-07 GT) Stage 4

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

Brisk Racing Plugs

Brisk- Racing Spark Plugs (05-07 GT) Stage 3

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

Brisk Racing Plugs

Brisk- Racing Spark Plugs (05-07 GT) Stage 2

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

Brisk Racing Plugs

Brisk- Racing Spark Plugs (05-07 GT) Stage 1

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

Autolite

Autolite- HT Revolution Plugs Set of 8

The Revolution HT spark plugs from Autolite feature a 10mm high-thread design that can maintain the same dielectric, mechanical, and durability characteristics associated with conventional 14mm spark...