Hey guys,
Im gonna be putting a meth kit on my car with some new 780cc injectors. My problem is I cannot seem to find anyone that has 1 step colder plugs for the Evo IX. If anyone here can point me in the direction that would be great!..thanks in advance.
-Ryan

 

call ben at horsepower freaks he will get you situated make sure you specify that you want IX plugs. He will get them direct from ngk. 31 dollars shipped or something in the realm of that price

 

RYAN you suck lol here you go buddy =)

HKS Part number: S40iL
OE NGK number: ILFR7H


Stock Plug= NGK ILFR7H Stock #5245 LINK
Step colder= NGK R7437-8 Stock #4901 LINK
2 Steps colder= NGK R7437-9 Stock #4654 LINK
3 Steps colder= NGK R7437-10 Stock #4655 LINK

NGK ILFR7H (OEM) Iridium
http://www.sparkplugs.com/more_info.asp?AAIA=&pid=20451

NGK LFR7AIX Iridium
http://www.sparkplugs.com/more_info.asp?AAIA=&pid=16602

 

IIRC you can also use denso Iridium. They are one step colder
Part number IKH24

 

very nice

 

okay

 

Damn! $38 buck each for one step colder plugs. Whata grip. Anyone test out the one step colder yet ?

 

ya...they're ALOT