$3.61
Copper Plus spark plug for optimal performance
In stock
The Champion Copper Plus RN12YC spark plug features a copper core center electrode, enabling precise heat range control for optimized performance and extended longevity. It includes a patented SAC-9 semi-conductor resistor for maximum EMI and RFI suppression and a patented Ultraseal coated shell for enhanced rust prevention.
| Weight | 0.10 lbs |
|---|---|
| Dimensions | 3.50 × 1.00 × 1.00 in |
Use this to plug your speedometer drive gear when removing the cable for installation of an aftermarket speedometer or computer. Since the drive contains the spacer, you’ll need to keep the drive installed or use very expensive custom aftermarket spacers. These inexpensive plugs will let you seal the grease in and dirt/water out using the OEM retaining screw. Simply install the same as you woul…
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