Description
Suspension tuning demands precision, and the FACTORY CONNECTION Shock Spring delivers exactly that with a consistent 300 lbs/in rate engineered for predictable handling response. Whether you’re fine-tuning a race platform or upgrading a performance build, this spring provides the durability and accuracy needed to dial in your setup without guesswork. U.S.-manufactured to exacting standards, it’s built to handle repeated compression cycles without degradation.
- Spring Rate: 300 lbs/in
- Cold-wound, CNC-precision
- Heat-tempered construction
- Shot-peened finish
- End-ground for consistency
- Pre-set fatigue resistance
- Made in U.S.A.
- MPN: NNU0054









