Iridium spark plugs and wires set for GM vehicles
Iridium spark plugs with wires for GM models. Direct replacement, plug-and-play, designed to improve fuel efficiency and performance. Customer notes include easy installation and good fit, with some mixed opinions on durability
Highlights
- OE replacement numbers 41-110 / 12621258
- long-lasting iridium plugs
- compatible with multiple GM models
Pros
- direct replacement
- plug n play
- easy to install
- improved potential fuel efficiency
- long-lasting iridium plugs
Cons
- mixed quality feedback
- some reports of engine misfire
- wires thicker, plugs shorter than original
Best For
Features
- Direct replacement for OE 41-110, 12621258 wiring set
- Plug n play design to simplify installation and fit GM models listed
- Iridium spark plugs deliver long service life up to 100000 miles
- Dual iridium tips and copper core for improved ignition and cooler electrode temperature
- Durable construction with integral suppressor seal to reduce RF interference
