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NGK Racing Spark Plug 4311 R6725-11
NGK Racing Spark Plug 4311 R6725-11
NGK Racing Spark Plug 4311 R6725-11
NGK Racing Spark Plug 4311 R6725-11
NGK Racing Spark Plug 4311 R6725-11
NGK Racing Spark Plug 4311 R6725-11

NGK Racing Spark Plug 4311 R6725-11

NGKR6725-11 (11 in stock)

Regular price $31.99 Sale

NGK Racing Series plugs are engineered to withstand the harshest engine conditions.

  • Special insulator nose configurations improve throttle response
  • Corrugated ribs prevent flashover
  • Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
  • Copper core aids in heat removal
  • Triple seals prevent leakage
  • MPN: R6725-11

Specifications

Warranty 1 Year
Torque Specs Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.
Brand NGK
Heat Range 11
Features Extended Metal Shell
Resistor Yes

Shell

Thread Size 14mm
Thread Pitch 1.25mm
Seat Type Gasket
Resistor Value 5K Ohm
Reach 21.5mm (.846")
Hex Size 13/16" (21mm)
Terminal Type Solid

Center Electrode

Material Platinum
Type Fine Wire
Size 1.0mm
Projection Non-Projected

Ground Electrode

Material Platinum
Type Flat
Quantity 1