Choosing the right spark plugs for the 5.7L Hemi in a 2013 Ram 1500 can improve ignition efficiency, reduce misfires, and support smoother idle and acceleration. The following picks are selected for OE-style fit, durable materials, and performance benefits across common Ram 1500 5.7L V8 configurations. This guide groups 5 high-quality options with clear features to help you compare at-a-glance and make an informed replacement decision.
| Product | Brand | Vehicle Fit |
|---|---|---|
| NGK Iridium IX Spark Plugs (16 pc) | Sixity Auto | Ram 1500 5.7L V8 2011-2025 |
| Champion Copper Plus Spark Plugs (16 pc) | Sixity Auto | Ram 1500 5.7L V8 2011-2025 |
| NGK 92145 Laser Iridium Spark Plugs (16 pc) | OVERSTOCKDIRECT | Select 2009-2025 Chrysler, Dodge, Jeep, Ram 5.7L Hemi |
| Champion Iridium Spark Plugs (16 pc) | Sixity Auto | Ram 1500 5.7L V8 2011-2025 |
| NGK Standard Spark Plugs (16 pc) | Sixity Auto | Ram 1500 5.7L V8 2011-2025 |
NGK Iridium IX Spark Plugs — 16 Pack

The NGK Iridium IX spark plugs are designed with genuine NGK parts and feature iridium alloy center and ground electrodes to promote sharper spark focus, which can reduce misfires and improve ignition efficiency. The durable shell protects the plug against damage, contributing to long-lasting sparking performance. This 16-pack configuration is well-suited for a full ignition service on Ram 1500’s 5.7L Hemi, offering reliable starts and smooth operation across varied driving conditions. The high-quality materials are engineered to withstand demanding engine environments, supporting consistent combustion and improved throttle response over the life of the plugs.
Key advantages include enhanced combustion efficiency, reduced emissions and misfires, and robust resistance to wear. For Ram owners seeking OE-like performance with proven NGK reliability, these plugs provide a straightforward replacement path that aligns with factory performance expectations. Application notes emphasize compatibility with 5.7L Hemi engines, making this a strong all-in-one kit for service and maintenance intervals.
Champion Copper Plus Spark Plugs — 16 Pack

Champion Copper Plus spark plugs offer a balanced blend of durability and cost efficiency. Engineered for long-lasting performance, these plugs are designed to meet OE-type standards while delivering robust ignition and reliable combustion. Comprehensive coverage for modern engines means fewer maintenance surprises, making them a practical choice for Ram 1500 5.7L V8 owners who want dependable replacements without sacrificing performance. The copper core design supports strong spark delivery, which helps maintain consistent engine timing and smoother acceleration under various loads and speeds.
These plugs emphasize reliable performance in everyday driving and light-touring scenarios. Champion’s OE-quality approach translates into a familiar feel of factory-like operation, with improvements in wear resistance and steady ignition characteristics. For owners prioritizing affordability with credible performance, Copper Plus plugs offer a solid balance of value and durability across the Ram’s 5.7L Hemi ecosystem.
NGK 92145 Laser Iridium Spark Plugs — 16 Pack

This 16-pack from OVERSTOCKDIRECT features NGK Laser Iridium plugs, designed for OE applications and long-lasting durability. Iridium-tipped center electrodes provide exceptional wear resistance and six times harder durability than platinum, which translates to extended service intervals and stable spark performance. The Laser Iridium design aims to optimize high-pressures and high-heat conditions common in modern Hemi engines, helping to sustain strong ignition across a broad range of operating temperatures and RPMs.
Engineers and technicians may value the predictable performance and reduced maintenance frequency these plugs offer, especially for owners who regularly operate in demanding climates or tow heavy loads. One of the notable benefits is enhanced ignitability and endurance, supporting consistent combustion and improved throttle response in the Ram’s 5.7L V8 lineup.
Champion Iridium Spark Plugs — 16 Pack

Champion Iridium Spark Plugs feature a fine-wire center electrode and a v-trimmed ground electrode designed to create a sharply-focused flame kernel. This geometry supports faster combustion, reduces misfires, and improves overall engine efficiency under a variety of driving conditions. The iridium alloy provides durability in high-pressure environments, contributing to longer plug life and steady ignition performance for the Ram 1500’s 5.7L Hemi. The 16-pack configuration is ideal for a full replacement set or multiple maintenance cycles, offering reliable OE-style performance with Champion’s engineering pedigree.
For drivers seeking strong ignition stability, reduced quenching, and consistent power delivery, these plugs are a strong option. The combination of iridium durability and a design intended to minimize misfires can help maintain smooth operation at both idle and higher RPM, preserving engine responsiveness over time.
NGK Standard Spark Plugs — 16 Pack

NGK Standard Spark Plugs provide OE-competent performance with a focus on reliability and corrosion resistance. Trivalent metal plating offers strong anti-corrosion and anti-seizing properties, which helps during installation and in reducing future corrosion-related issues. For many Ram 1500 5.7L V8 configurations, these plugs deliver dependable ignition performance, especially in regions where plug maintenance intervals favor solid, proven designs. The standard NGK approach emphasizes durability and consistent flame propagation, helping to maintain steady idle and reliable starts across a broad range of driving conditions.
These plugs serve as a practical, no-frills option for drivers prioritizing dependable operation and straightforward maintenance. While not pursuing specialty iridium or copper-plus performance benefits, they still offer solid, factory-aligned performance that aligns well with routine replacement schedules and OEM expectations.
Buying Guide: Key Considerations For Spark Plugs In The 5.7L Hemi
- Material and durability: Iridium and platinum tips offer longer life and better wear resistance in high-temperature environments typical of V8 Hemi engines. Copper cores provide strong initial conductivity but may wear faster in modern engines.
- Rigorous fitment: Ensure the plugs are specified for 5.7L Hemi in Ram 1500 models (2011-2025 range). Incorrect fitment can affect ignition timing and performance.
- Heat range and gap: Check manufacturer recommendations for heat range and advised spark plug gap. Proper gap ensures optimal combustion and reduces misfires.
- Maintenance intervals: Iridium and laser-iridium plugs often allow longer replacement cycles, which can lower maintenance costs over time—consider your driving style and climate when choosing.
- Performance vs. cost: Iridium and laser-iridium options typically cost more upfront but can deliver longevity and steady performance. Copper-plus and standard NGK plugs offer strong performance at a lower upfront price for budget-conscious buyers.
- Brand compatibility: Trusted brands like NGK, Champion, and TRQ offer OE-compatible designs with robust warranties. Compatibility charts and vehicle-specific fitment features help avoid incorrect purchases.
- Installation considerations: Some sets come with 16 plugs to cover a full engine service. Check the number of plugs per pack and whether a plug install kit or anti-seize compounds are included.
- Driving conditions: For frequent towing, hot climates, or heavy loads, plugs designed for high-load operation can sustain consistent ignition better than standard options.
- OEM vs aftermarket: OEM-equivalent plugs tend to maintain factory performance, while performance-oriented plugs may offer marginal gains in acceleration and throttle response.