- Do these fit my Volvo 780?
- They are listed for the 2.8L V6 in the 1987–1990 Volvo 780. Check your engine code and plug thread before ordering, since other engines take different plugs.
- Are these better than standard copper plugs?
- Yes for lifespan. The platinum pads on both electrodes wear more slowly, so the gap stays in spec longer and you change them less often.
- Should I gap them before installing?
- Check the gap against your engine's spec first. Reviewers report the gap is not always right out of the box, and platinum tips bend easily if forced.
- How often should I change them?
- Follow Volvo's interval for your engine. Double platinum plugs generally last far longer than copper, so many owners stretch the interval well beyond a standard tune-up.
- Are these iridium plugs?
- No. They are platinum on both the center and ground electrodes. Iridium plugs last longer but usually cost more.
- What is in the box?
- Six spark plugs, enough for the full 2.8L V6. No tools or gap gauge are included.
- Where is the Champion Double Platinum Spark Plugs, 6 pc cheapest?
- At eBay, for $40.42, as of our latest check.
- Where can I buy the Champion Double Platinum Spark Plugs, 6 pc?
- 2 stores we checked sell it, including eBay, Sixity Auto.