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NGK Spark Plugs for Supercharged LS Engines
$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
Sorry, out of 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.
Installation Instructions
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