Champion Racing Series plugs include all the features of their conventional plugs, but are built with extreme engine conditions and durability in mind.  For GM & Ford cast iron cylinder heads and some OE design aluminum heads. Will not fit GT40 heads.

Nickel Alloy Ground and Center Electrodes

Copper Core Center Electrode Allows for Increased Conductivity and Heat Control

Peanut Plug

14mm, .460" reach, 5/8" hex

Projected Tip

Heat Range: Hotter (63)

Overall Length: 2.82

Sold in Quantity: 8

Thread Length: .38

Seat Taper:         60 deg

Thread Pitch:     14MM x 1.25

Wrench Size:      5/8 (16mm)

Spark Plug Reach:            .460