I have them in my 95 G20t. You should change your tensioner, unless you have a brand new car. They have a mild lope that is hardly noticeable. They add noticeable performance improvement (Your car will redline faster). They cost me $560.00 from STILLEN. I also ungraded my ECU. I have never had any trouble with them, they were installed a little over a year ago. The JWT S3 cam and ecu I highly recommend.
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paradyme
95'G20t/AUTO/BLK
STILLEN HEADER/INTAKE/JWT/ECU/S3 CAMS/P11 99 G20 RIMS/
VIPER SECURITY/w/ REMOTE START/ ALPINE AUDIO