Description
The 685 Spark Plug S59YC delivers the reliable ignition performance that high-revving racing engines demand. Champion’s non-resistor design eliminates signal interference, allowing your ignition system to fire at peak efficiency without compromise. Whether you’re running a naturally aspirated or forced-induction build, this tapered-seat plug ensures consistent combustion and repeatability across heat cycles.
- Champion Racing manufacture
- 14 mm thread size
- 0.689 in reach
- Tapered seat design
- Non-resistor construction
- Sold individually
Reviews
There are no reviews yet.