This ensures stable and smooth operation of the engine in different operating modes. Spark plugs with a nickel electrode provide effective ignition of the combustible mixture throughout the entire life cycle. William Norde from Belcourt, ND, who rides Dodge RAM 1500 2015, says: I got NGK spark plugs after a very harsh winter in Belcourt, ND. Here’s a shortlist of what you’ll need to replace the plugs: A 5/8 deep socket; A 5/8 spark-plug socket; A pair of 3-inch extensions; One 1.5-inch extension; A pair of gloves; A really old (and thick) blanket; A gap tool; Dielectric grease (of any sort) Anti-seize; Removing Old Spark Plugs: Step-By-Step Guide. First of all, don’t do this. Spark Plug:RC12YC. Gap .035" (0.9 MM) Read full answer. Feb 10, 2011 • 1999 Dodge Ram. 0 helpful. 1 answer. I own a 2007 dodge ram 1500 pickup with the 4.7 liter magnum engine. I am changing the spark plugs but where are they or what do I have to take off to get to them. Well you have spark plug wires that run to them. Spark Plug Wire Retainer / Clip. Spark Tester. Vapor Canister Purge Valve / Solenoid. Wiper Blade. Intentionally blank: Intentionally blank: Related Parts. RAM > 2012 > 1500 > 3.7L V6 > Ignition > Spark Plug. Price: Alternate: No parts for vehicles in selected markets. ... Do Not Gap, Gap is Preset; Original Equipment is Copper/Nickel. BOSCH.