It may be better to get this one for some reason the 18 I have listed requires a spacer?

http://www.summitracing.com/parts/DER-17918/

or this one since i got the 5719 and it bolted on without a problem, this is the 5718

http://www.summitracing.com/parts/FLX-5718/

Allen Here's a novel idea, let's not throw a bunch of parts at the car hoping it will fix the problem and instead spend a little time diagnosing it first. Life was a little easier when I was just a wrench.