Up to 70 Rear Wheel Horsepower gains are easy with this simple bolt on package. That’s $10.00 per HP!
JLT has tested and developed a powerful yet safe tune for your 2010 GT500. No dangerous lean conditions and way too much timing to get horsepower with us, just good tunes with repeatable gains. Don’t be fooled by exaggerated HP claims that you will never see. With this simple package, you can expect your 2010 GT500 to put down 515-525 RWHP*, have better throttle response and even better gas mileage.
Custom tuned SCT X-4 tuner by JLT Performance
2.6 Metco Supercharger pulley
Metco Double Bearing Auxiliary Idler Pulley Kit (MSI-90-D)
(8) NGK TR6 spark plugs, WE RECOMMEND PLUGS GAPPED AT.035
This easy to use package is ready to go. No need for expensive dyno tuning or mail order tunes.
*All cars and dyno’s read different (average DynoJet numbers used)
*You will need a Pulley Puller/Installer to install supercharger pulley* You can save $10 by adding it to this package. Select it in the drop down box below.
Click here for SCT X-4 Tuner details
Tuner comes loaded with 91 octane custom tune
Not C.A.R.B. approved
Please note, this package is only available for 2010 GT500.