have to agree with you there Ryan they work extremely well in the alpha lutz engine running 25% nitro ,i couldnt be happier cheers
2 of 2 customers found this review helpful.
Barry Thompson - Rating:
Tuesday, December 10, 2013
Great plug ! Put it in my Nova Plus 4 and that thang held a great idle all day long !!!
Plan on using theses from here on out !!
Ryan Lutz - Rating:
Saturday, March 09, 2013
Numerous hours of testing went into making this the most reliable and consistent plug it could possibly be. I use this plug in 95% of the conditions I race in all across the globe! Give them a try, you won't be disappointed!