NGK 97506 SPARK PLUGS
SKU: F8XS55SP
If your S55 Engine has been flashed to stage 2, running an ethanol Blend or Full E85 then is highly recommended to use step one colder plugs. These Spark Plugs can be pre-gapped to .018 .020 or .022
Torque Specs:
18 Ft lbs
$115.00Price