CHAMPION
More Information for CHAMPION 9665
{Alternate Inventory Numbers: RET4WYPBX}
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CHAMPION 9665  
$7.48
Price
$0.00
Core
+ Sold in packs of 1x1
Pack
$7.48
Total
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CHAMPION 9665 Specifications
Center Electrode Tip MaterialIridium
Electrical Terminal TypeNon-Removable Nut
Ground Electrode Core MaterialPlatinum
Ground Electrode Quantity1
Ground Electrode Tip DesignJ Gap
Hex Size (IN)0.546
Hex Size (MM)14.000
Hex TypeHex
Insulator Height (in)0.059
Manufacturer Heat Range4
Plug TypeRET4WYPBX
Pre-Gap Size (IN)0.026
Pre-Gap Size (MM)0.65
Reach (IN)1
Resistor TypeYes
Seat TypeTapered
Thread Diameter (IN)0.470
Thread Diameter (MM)12.000
Iridium; Pre-Set Gap: 0.026"
Champion Iridium spark plugs offer maximum performance regardless of engine or ignition type. Each plug has an extremely fine-wire iridium center electrode that is "laser-locked" to the center electrode, and a platinum V-trimmed ground electrode to ensure the longest life and greatest erosion resistance.

Features & Benefits:
  • Platinum ground to ensure high performance and long life
  • Maintains stable operating temperature under all engine loads
  • Greatest engine performance regardless of engine type or ignition system
  • Extremely fine-wire iridium center electrode laser-locked to center electrode
  • Exclusive Heat-active Alloy allows electrodes to reach optimal temperature quickly
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: 12656517, 12673528, 12683541

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