$23.00
These are the recommended NGK 4177 “conventional” spark plugs for use only on supercharged “LS family” engines.
Sold only in sets of 8. An order of 1 will get you a full set of 8 spark plugs.
Please read details below
In stock
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.
All of our parts and accessories are thoroughly tested for compatibility and carry a satisfaction guarantee. If you have any questions or concerns, please don't hesitate to contact us directly.
Performance
Performance
Driveline
Driveline
In stock
