Fox Coilover Spring 13.000 TLG X 3.000 ID X 600 lbs/in. Silver

Coilover springs are the replaceable compression springs that wrap around the shock body in a coilover assembly, determining ride height, spring rate, and the balance between comfort and handling stiffness. Swapping springs is the most direct way to tune a coilover setup for a new application without buying an entirely new system.Popular UpgradesLinear-rate springs in the 6 to 12 kg/mm range are the most popular choice for street performance and track day builds where predictable handling is more important than maximum compliance. Progressive-rate springs that soften on small bumps and stiffen under load are preferred for street cars that need to be both comfortable on rough roads and controlled in hard cornering. ID60 and ID65 springs are the most common inner diameter specifications across popular coilover platforms.What is the difference between linear and progressive coilover springs?A linear spring has a constant rate from full droop to full compression, providing consistent an...

Browse premium coilovers and suspension components including coilover kits, coilover shocks, coilover springs, lowering springs, shock hardware, suspension boots, dampening adjustment components, and performance suspension systems for trucks, SUVs, muscle cars, off-road builds, and street performance vehicles. Shop Top Coilover & Suspension Brands Find trusted suspension brands including Silver's NEOMAX, FOX, QA1, Eibach, ICON Vehicle Dynamics, Bilstein, KW Suspension, Ohlins, Ridetech, Fabtech, and ARB/OME. These brands are known for adjustable coilovers, performance shocks, lift and lowering suspension systems, coilover springs, and suspension hardware for daily driving, off-road use, drag racing, and track-focused builds. Coilovers & Components for Street, Track & Off-Road This collection includes complete coilover kits, front and rear coilovers, coilover springs, shock boots and protective covers, dampening adjustment extenders, suspension hardware kits, lowering spr...

FOX is one of the most respected suspension brands in the world, producing shocks, coilovers, reservoir shocks, IFP monotube shocks, upper control arms, and steering stabilizers that are trusted by off-road race teams, overlanders, and performance drivers who require more consistency and damping control than factory suspension can deliver. The brand's reputation was built through desert racing programs including the Baja 1000 and King of the Hammers, where FOX products are validated against the most demanding suspension punishment available before reaching the aftermarket, and that race heritage is directly reflected in the technology and build quality of their Performance, Performance Elite, and Factory Race product lines. Ford F-150, Toyota Tacoma, Toyota 4Runner, Land Cruiser, Jeep Wrangler and Gladiator, Chevrolet Silverado, and Ford Bronco owners choose FOX suspension upgrades as the single most impactful improvement to both on-road ride quality and off-road capability availabl...

Aftermarket suspension systems improve handling, ride quality, and ride height adjustment beyond what the factory suspension provides. From lowering springs and coilover kits for sport handling to lift kits and leveling kits for truck and SUV off-road capability, quality suspension components transform how a vehicle rides and handles. Popular Suspension Upgrades Popular suspension upgrades include coilover kits for adjustable ride height and damping, sport lowering springs for improved handling and reduced body roll, performance shock absorbers and strut assemblies, sway bar and end link upgrade kits, subframe brace kits, and complete suspension packages for lifted trucks and off-road SUVs. Alignment kits including camber bolts and camber arms are also frequently ordered after ride height changes. What is the difference between coilovers and lowering springs? Coilovers are complete shock and spring assemblies with adjustable ride height set by threading the spring perch on the shock...