Champion Spark Plugs
for Proven Performance

Three Steps To Selecting a High Performance Plug

Step 1: One-Shell Design and Selection

Series Diameter Reach Hex Type
G 10mm .750" 5/8" Gasket
A 12mm .750" 18mm Gasket
J 14mm .375" 13/16" Gasket
V 14mm .460" 5/8" Tapered
L 14mm .500" 13/16" Gasket
S 14mm .708" 5/8" Tapered
C 14mm .750" 5/8" Gasket
N 14mm .750" 13/16" Gasket


Step 2: Selecting Electrode & Gap Designs

Step 3: Heat Range Selection

Champion Spark Plug Cross Reference Chart