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