NGK Spark Plugs - $4.40 - $19.27

 

  

 
   
Model
DCPR8E - Standard Plug - Add $4.40
DCPR8EIX - Iridium Plug - Add $11.9
DCPR9E - Standard Plug - Add $4.40
CR9E - Standard Plug - Add $6.50
MAR10A-J - Iridium Plug - Add $19.27
CR9EB - Standard Plug - Add $6.50

Quantity:

 

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NGK Spark Plugs - $4.40 - $19.27 each

The iridium spark plug provides a quantifiably better spark according to NGK, but I can't give you numbers for increased performance. NGK is the industry standard for spark plugs. All models come with a solid non-removeable top EXCEPT the CR9E. Use the existing screw top off your OEM plugs with the CR9E. These plugs will fit the following models:

Fitment Guide -

Model Fitment
907ie, 750-1000 Sport/SS, 620-1000 Monster, MH900e, ST2, Gran Canyon DCPR8E
907ie, 750-1000 Sport/SS, 620-1000 Monster, MH900e, ST2, Gran Canyon DCPR8EIX
ST4/ST4S, 748, 916, 996 DCPR9E
ST3, 998 CR9E*
848, 1098, Streetfighter, D16RR, Monster S4R, S4RS, MAR10A-J
749, 999 CR9EB

 

* Don't forget that if you have a DS1000/DS1100 motor or ST3 Motor, you need 4 plugs.