BriskRacing.com is the preferred dealer for BriskUSA.com and offers Brisk Premium LGS Spark Plugs, Brisk Premium Multi-Spark Plugs, Brisk Silver Racing Spark Plugs, Brisk Iridium Racing Spark Plugs, Brisk Yttrium Spark Plugs and other performance spark plugs and products for use in stock, modified, and/or forced induction, turbo, supercharged, water/methanol injection, nitrous injection, and other high performance applications.