(Chevrolet LS7/LSA)

The same spark plugs that were installed when the engine left the assembly line.

Spark plugs are matched to the engine for optimum engine performance. Spark plug design features a fine-wire double platinum pad on both electrodes.

A high melting point provides excellent resistance to erosion.

NOTE: Check the gap before installing. The recommended gap is 0.040 in. (1.02 mm).