Vehicle Fitment
| Make | Model | Year |
|---|---|---|
| Chevy | B-Series | 1980-1985 |
| C50 | 1971-1979 | |
| C60 | 1971-1979 | |
| C70 | 1979 | |
| Kodiak | 1980-1990 | |
| GMC | B-Series | 1980-1986 |
| Topkick | 1980-1990 |
Product Details
Nickel Spark Plug (121) by Champion®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and function the same or even better than the part your vehicle was manufactured with. This product is made from premium materials to serve you for years to come.
Specifications
| Resistor Plug: Yes |
| Center Electrode Diameter: 0.100" |
| Center Electrode Material: Nickel |
| Electrical Terminal Type: Non-Removable Nut |
| Gap: 0.037"-0.043" |
| Ground Electrode Material: Nickel Copper Alloy |
| Ground Electrode Quantity: 1 |
| Heat Range: 8 |
| Hex Size: 0.625" |
| Hex Size: 16 mm |
| Installed Height: 2.020" |
| Plug Type: RV8C |
| Resistor Type: SAC-9 |
| Spark Plug Seat Style: Tapered |
| Taper Diameter: 0.310" |
| Thread Reach: 0.441" |
| Thread Size: 0.551" |
| Thread Size: 14 mm |
Features
- Copper Plus - Dependable Performance.
- Copper core center electrode allows for accurate control of heat range for longer life
- Patented TinTac® and ULTRASEAL coated shell for maximum corrosion resistance
- Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression
- Built to ISO and SAE standards for proven performance
For over 110 years, Champion® has been a world leader in the manufacture of spark plugs for a wide range of cars, SUVs, trucks, racing, and marine applications. Using the latest technology, from iridium and precious metal technologies, to F.I.S.S. resistor (Fired In Suppressor Seal) technology and MLR (Metal alloy Low ohm Resistor) technology, the company develops, engineers, and manufactures spark plugs in a number of materials and designs. Champion also offers a variety of glow plugs, spark plug wires, and other ignition system specific wiring that meet the industry’s toughest standards.
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Questions and Answers
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