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More Information for CHAMPION 306C
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CHAMPION 306C  
$1.86
Price
 $0.00
Core
 + Sold in packs of 1x1
Pack
 $1.86
Total
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CHAMPION 306C Specifications
Center Electrode Tip MaterialNickel
Electrical Terminal TypeRemovable Nut
Ground Electrode Core MaterialNickel
Ground Electrode Quantity1
Ground Electrode Tip DesignJ Gap
Hex Size (IN)0.813
Hex Size (MM)20.650
Hex TypeHex
IndexedNo
Manufacturer Heat Range86
Plug TypeL86C
Reach (IN)0.5
Resistor TypeNo
Seat TypeFlat
Thread Diameter (IN)0.551
Thread Diameter (MM)14.000
Washer IncludedYes
Washer TypeCrush
Champion Copper Plus spark plugs have been original equipment on a wide variety of engines for many years. These plugs have nickel alloy centers and ground electrodes, with reasonably good wear characteristics. In addition, the extrusion of copper into the center electrode allows for increased conductivity and heat control.

Features & Benefits:
  • Dependable and durable
  • Built to ISO and SAE standards for proven performance
  • Patented SAC-9 semi-conductor resistor for maximum EMI & RFI suppression
  • Copper core center electrode allows for accurate control of heat range for longer life
  • TinTac® and ULTRASEAL shell for best corrosion protection of any spark plug in the industry
This spark plug is pre-gapped, but may require minor adjustments with a Spark Plug Gap Tool / Feeler Gauge to match your engine's specifications. For proper engine performance, gaps should be within ±0.004" of OE-Recommended value.
Which CHAMPION Spark Plug Is Right For You?

Material / Series Lifespan / Durability Performance / Ignitability Efficiency / Fuel Economy
Copper / Nickel Plus
Copper		 ★ ★
Platinum Power
Platinum		 ★★ ★★★★ ★
Double Platinum
Double Platinum		 ★★★★ ★★★★ ★
Iridium
Iridium		 ★★★ ★★★★★ ★★
OEM / Interchange Numbers: 414

CHAMPION Warranty Information:
Iridium plugs 7 years - Double Platinum Power 5 years - Platinum Power 3 years - Copper Plus 2 years