Bougie Viper 04/06 Original Champion Spark Plugs for the Viper SRT-10 engine.For LPG, you do not need to use other spark plugs.However, we recommend using the factory replacement period. Champion Champion Copper Plus spark plugs have been the first equipment on a wide variety of engines for many years. These plugs have nickel alloy cores and earth electrodes, with fairly good wear properties. In addition, the extrusion of copper in the middle electrode provides increased conductivity and heat regulation. Material middle electrode tip Nickel Electrical connection type Non-removable nut Earth electrode nuclear material Nickel Quantity of Earth electrode 1 Hexagonal size (IN) 0,625 Hexagonal size (MM) 15.880 Hex-type Hex Ge Ï ndexeerd No Insulator height (inch) 0,29 Manufacturer's heat range 12 Plug type RC12ECC Front opening size (IN) 0,035 Front opening size (MM) 0,90 Range (IN) 0,75 Resistance type Okay Seat Type Apartment Wire diameter (IN) 0,551 Wire diameter (MM) 14.000 Ring included Okay Type Of Ring Crush DODGE DAKOTA 1996-2002 DODGE RAM 1500 PICKUP 2004-2006 DODGE VIPER 2003-2006