Dependable performance. Spark Plug 828M, QL77JC4. This Champion spark plug contains a copper core electrode with enhanced conductivity and heat regulation for optimum overall wear. These Champion Spark Plugs have a copper core electrode for enhanced conductivity and "sure-fire" engine performance. When it comes to Champion Spark Plugs, you know you're getting unmatched quality in the industry.
Key Features:
- Industry's most robust triple-seal assembly
 - Precision-rolled threads meet all requirements
 - The triple-coated shell resists corrosion.
 - Heavy engine load resistance
 - RFI suppression to safeguard electronics
 - Copper core improves plug life and performance.
 
Specifications:
- Brand: CHAMPION SPARK PLUGS
 - SKU: 828M
 - UPC: 037551005123
 - Weight: 0.14 LBS
 - Manufacturer Part Number (MPN): 828M
 - Thread Diameter: 14mm
 - Thread Pitch: 1.25mm
 - Seat Type: Gasket
 - Reach: 12.7mm (1/2")
 - Hex Size: 13/16" (21mm)
 - Terminal Type: Solid
 - Gap: .039" (1.0mm)
 - Center Electrode Material: Nickel
 - Type: Standard
 - Size: 2.5mm
 - Projection: Non-Projected
 - Resistor: Yes
 - Resistor Type: Inductive
 - Heat Range: 77