regardless of spring size the jri shocks utilize different valving specifically set up with countless data from the quickest bikes in the country. We offer a custom valving specific to our bikes which utilize different valving. Both the standard jri and custom nlr jri are incredible shocks. No matter which way you go we got you covered. JRI has a quicker turnaround and is a company dedicated to bring you the best drag shocks period. I even have some JRI custom coil overs for my viper. I could have easily put the penske bolt ins onto the car but I went with JRI because of the service and support and the build quality of the product.
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