Fox's Factory Race Series coil-over shocks are the foundation of a race-winning suspension. They epitomize efficiency by combining our race-proven damping technology with a means to suspend the vehicle in one easy-to-mount assembly. Regardless of whether you are flying high over the desert or struggling to stick to a rock face on an off-camber climb, our coil-overs will give you the damping performance, suspension control and proper spring rate to get the job done. They come in several rock-solid configurations that will fit your application perfectly. Internal Bypass (IBP):Position-sensitive internal-bypass control in a coil-over body. For classes that mandate a single shock per wheel or anyone who wants it all. Provides bypass damping and suspends the vehicle in a compact lightweight package. Fox's patented tnternal bypass technology offers position sensitibe damping that adapts to any terrain on or off the raod, provifings a plush, predicatable ride everywhere you go. Dual Speed Compression (DSC) Adjuster:Add remarkable versatility and precise tuning with Fox's DSC adjuster. A simple twist of either two adjuster knobs allows 10 separate low-speed and 12 high-speed compression levels. Included new black anodized aluminum reservoir increases cooling efficiency. Rotating Reservoir Bridge (RRB):Fox's Rotating Reservoir Bridge (RRB) technology allows quick and easy 360 degree positioning of the shock reservoir with a spanner wrench to achieve optimal chassis clearance. Shock Family Features: Body - Smooth bore and honed seamless steel Body Plating - Zinc plated and clear coated for a long lasting finish Components - Black anodized, CNC machined 6061-T6 billet aluminum Piston - 7075 hard-anodized high-flow aluminum piston Valving - Tunable, velocity sensitive deburred valve shims Seals - High-temp Viton® Redundant sealing pack system with main seal, wiper seal and scraper seal Oil - JM92 Advanced Suspension Fluid for improved performance at variable temperatures Shafts - 7/8" 17-4 H900 hard chrome plated stainless steel Bearing - Spherical -10 series, PFTE-lined, heat-treated alloy steel 1.50" mounting width with 1/2" bolt Fox 2,1/70 valving Note; Not all listed sizes are ordered as stock, please contact us for availability or alternatives if the size your looking for is out.