Sixity Auto Champion Copper Plus spark plugs — 16 pc set for Dodge Ram 1500 5.7L (2003–2008), .044" pre-gapped OE fit

These are 16 genuine Champion Copper Plus spark plugs pre-gapped to .044 inches, sold as a full set to replace all plugs in a Dodge Ram 1500 5.7L V8 (2003–2008) that uses two plugs per cylinder.

If you own a 2003–2008 Dodge Ram 1500 with the 5.7L HEMI V8 and need a complete ignition refresh, this Sixity Auto listing supplies a full 16-piece set of Champion Copper Plus spark plugs. Each plug matches OE specifications (plug type RE14MCC4), comes with a .044" gap, and is intended where two plugs per cylinder are required. These Champion-brand plugs are engineered to meet original-equipment fit and offer a cost-effective replacement for stock ignition components.

How do these spark plugs fit my Dodge Ram 5.7L V8?

These plugs are specified for Dodge Ram 1500 model years 2003 through 2008 equipped with the 5.7L V8 engine that uses two spark plugs per cylinder. They match the OE plug type RE14MCC4 and are sold as a pack of 16 to replace every plug in the engine at once. Installation follows the vehicle’s factory service intervals and torque specifications.

• Fits Dodge Ram 1500, 2003–2008, 5.7L V8 HEMI
• OE plug reference: RE14MCC4
• Two plugs required per cylinder — full set contains 16 plugs
• Pre-set gap: .044 inches

What performance and durability can I expect from Champion Copper Plus?

Champion Copper Plus plugs use a durable copper core design that provides reliable ignition under typical driving conditions. They are known for good conductivity and consistent spark delivery, making them a practical choice for routine maintenance or OEM-style replacement. While not a long-life precious-metal type, Copper Plus offers dependable service at a lower cost.

• Copper-core construction for consistent spark energy
• OE-quality fit and dimensions for correct seating and heat range
• Designed for normal to moderate service intervals
• Suitable where factory-specified plugs call for RE14MCC4 or equivalent

How should I install and maintain this 16-piece set?

Replace all plugs at the same time for even performance and to maintain ignition balance across cylinders. Use the vehicle manufacturer’s torque specs and a clean, dry socket to avoid cross-threading or damage to the cylinder head. Check the gap before installation and adjust only if needed to factory tolerance.

• Replace all 16 plugs together for consistent ignition
• Torque to Dodge factory specifications — avoid over-tightening
• Verify .044" gap before installation; re-gap if necessary
• Inspect boots and wires/coil packs while servicing plugs

Will these plugs affect fuel economy or check-engine lights?

Installing correct-fit, properly gapped plugs helps maintain the engine’s normal combustion characteristics, which supports steady fuel economy and reliable ignition. Faulty or worn plugs can contribute to misfires or emissions faults, so fresh Champion plugs can reduce the likelihood of related check-engine warnings when they replace worn components.

• Proper fit and gap promote stable combustion
• Can help reduce misfires caused by old or worn plugs
• Not a performance-upgrade plug; intended as OE-style replacement
• Pair with healthy ignition coils and fuel system for best results

Who is this for: This 16-piece Sixity Auto listing is aimed at Dodge Ram 1500 owners, DIY mechanics, and service shops needing a full set of OE-spec Champion Copper Plus spark plugs for the 5.7L V8 (2003–2008). Choose this pack if you want an authentic Champion replacement that matches OE plug type RE14MCC4, comes pre-gapped to .044", and covers the two-plugs-per-cylinder configuration for a complete ignition service.