Fox 2.5 Coilovers from AccuTune Off-Road come pre-tuned for your ride and your terrain using our state of the art equations and new age valving techniques. Fox 2.5 Coilover shocks are available with a DSC Dual Speed Compression Adjuster upgrade which allows you to fine tune your ride for changing weight and terrain. Our AccuTune Equations allow us to put the DSC Adjuster in the middle of the range for maximum functionality. Fox 2.5 Coilovers are available in Performance Series, Factory Race Series, and Internal Bypass Series. The Fox 2.5 Performance Series shocks use industry standard parts to provide exceptional value, which Fox 2.5 Factory Series coilover shocks use premium racing components for maximum performance and durability. You can read about all the differences between Performance Series and Factory Series in this article. Fox 2.5 Internal Bypass Coilover Shocks function like a 3-tube bypass with staged zones for incredible ride quality. AccuTune valved Fox 2.5 Coilovers deliver unbelievable off-road performance.