These are the “conventional” spark plugs recommended for use only on the LS family of engines with Magnuson Superchargers. They have a “V” cut electrode for improved performance.
Gap must be adjusted to 0.035″ for optimum performance.
Recommended Torque is only 8-14 ft/lb.
Recommended replacement every 5,000 miles.
Sold only as a set of 8 spark plugs.
An order of 1 will be a set of 8 plugs.