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Champion 121 RV8C Bel Air Biscayne Brookwood Caprice Copper Resistor Spark Plug
- Copper Resistor Spark Plug
- Shell
- Thread Size: 14mm
- Seat Type: Tapered
- Resistor: Yes
- Resistor Type: SAC9
- Reach: 11.6mm (.460")
- Hex Size: 5/8" (16mm)
- Terminal Type: Solid
- Gap: .039" (1.0mm)
- Conventional Spark Plug with Nickel Alloy Electrodes.
- Copper Core Center Electrode Allows for Increased Conductivity and Heat Control.
- For use with:
- Bel Air
- Biscayne
- Brookwood
- Caprice
- Camaro
- Chevelle
- Corvette
- And many more.
- Manufacturer: Champion
- Model Number: 121
- Part Number: RV8C
- Also Known As: RF4, R43T, 4339492, R42T
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