10.5 NGK Racing Competition Spark Plug Set (0000-10-R105)

10.5 NGK Racing Competition Spark Plug Set (0000-10-R105)

Set of four 10.5 heat range NGK Racing Spark Plugs.

Recommended for all rotary engines used in racing applications.

Use with thinner spark plug washer to move flash point closer and increase power.

NGK recommends that you start your vehicle and bring up to operating temperature with stock heat range plugs, then switch to the racing plugs.

NGK part numbers:

  • R6725-105
  • 3857
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NGK
  • $164.00
Qty:  
In Stock(951 item available)
    • SKU
      0000-10-R105-K
    • Weight
      0.67 lbs
  • Manufacturer
    NGK
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  • Fitment Type
    Vehicle Specific
ModelYearEngine
Rx804-0813B-MSP
Rx809-1113B-MSP
Miata/Mx51990-19931.6L
Rx7197912A
Rx7198012A
Rx7198112A
Rx7198212A
Rx7198312A
Rx7198412A
Rx7198413B
Rx7198512A
Rx7198513B
Rx71986Non-Turbo
Rx71987Non-Turbo
Rx71987Turbo
Rx71988Non-Turbo
Rx71988Turbo
Rx71989Non-Turbo
Rx71989Turbo
Rx71990Non-Turbo
Rx71990Turbo
Rx71991Non-Turbo
Rx71991Turbo
Rx71993Automatic
Rx71993Manual
Rx71994Manual
Rx71994Automatic
Rx71995Manual
Rx71995Automatic

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