MSRP: $16.99
Available for*: $10.99
*at participating retailers

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GRP Turbo Glow Plug #4

At a Glance

GRP glow plugs were designed for use with GRP Tuned Engines; however, they can be used with any engine that utilizes a matching conical connection. GRP created their glow plugs with various weather scenarios and racing conditions in mind. GRP glow plug #4 is designed for Hot temperatures.

Internal Filament: The internal filament of the glow plug is made using a special Platinum alloy, which guarantees maximum durability and longevity.

External Body: The external body of the glow plug is made with stainless steel to guarantee the durability of its thread, and maximum resistance to electrostatic corrosion.

Internal Insulator: The internal insulating package guarantees maximum insulation between the external body and the central pin, where the filament is welded.

Central Pin: The central pin of the glow plug is constructed from stainless steel to guarantee maximum resistance to electrostatic corrosion and high temperatures.


  • Designed specifically for the MR Tuned GRP engine line
  • Internal filament is constructed of a long lasting, heavy duty Platinum alloy
  • Stainless steel central pin guarantees maximum resistance to electrostatic corrosion
  • Available in four temperature ratings: 4- Hot (LOSR104), 5- Medium (LOSR0105), 6- Cold (LOSR0106), 7- Very Cold (LOSR0107)