Coilover Spring 10in x 2.5in x 225lb

The SWIFT SPRINGS Coilover Spring 10in x 2.5in x 225lb (part number 100-250-225 TH) is a precision-engineered coil spring designed for suspension systems requiring precise spring rates and compact packaging. This tight-helix coilover spring delivers 225 lb/in spring rate in a 10-inch length with 2.5-inch outer diameter, making it ideal for off-road vehicles, race-oriented builds, and adjustable suspension platforms where controlled load handling and tuning capability are essential.

Built from steel with a black powder coat finish, this coilover spring resists corrosion and handles repeated compression cycles in demanding environments. The 225 lb/in rate sits in the mid-to-stiff range for coilover applications, suitable for vehicles where load support and chassis control take priority over ride comfort. The tight helix design maximizes space efficiency while maintaining spring linearity, allowing integration into restrictive suspension geometry. At 3.4 lbs per unit, the spring's weight is negligible compared to its load-handling capacity, making it practical for weight-conscious builds without compromising durability or performance consistency.

This spring is engineered for buyers assembling or upgrading coilover suspension systems on off-road trucks, rally vehicles, track-focused street cars, and recovery platforms where tunable spring rate is non-negotiable. The 225 lb/in specification allows users to achieve the suspension stiffness needed for load transfer control, tire contact optimization, and articulation support without resorting to heavier or longer springs that compromise clearance. Each spring is sold individually, so matched-pair or complete-set purchases require multiple units.