H&R 28999-4 Sport Springs Lowering Spring Set

The H&R 28999-4 Sport Springs are a premium lowering spring set engineered and manufactured at H&R's ISO 9001 certified facility in Germany. Constructed from a proprietary 54SiCr6 spring steel with a tensile strength rating of 290,000 PSI, these springs deliver unrivaled resilience and long-term durability that outlasts ordinary spring steel alternatives.

Unlike stiff, uncomfortable aftermarket springs, H&R Sport Springs are specifically tuned for street use, striking the ideal balance between improved handling and everyday ride comfort. The progressive spring design reduces body roll and improves cornering response while maintaining compliance over road imperfections—so you get the sporty driving dynamics you want without sacrificing daily drivability.

Key Features:

• Lowers vehicle 1.5–2.0 inches on average for an aggressive, stance-forward appearance
• Manufactured from 54SiCr6 high-tensile spring steel (290,000 PSI rated) for superior strength and longevity
• Produced at an ISO 9001 certified engineering and manufacturing facility in Germany
• Street-tuned for superb ride quality without the harshness of race-oriented spring kits
• Reduces body roll and improves steering response for confident, sporty handling
• Drop-in fitment—designed to work with OEM and most aftermarket shock absorbers

H&R Sport Springs are the go-to choice for enthusiasts who want a meaningful performance and aesthetic upgrade that holds up to real-world driving conditions. Backed by H&R's decades of motorsport engineering expertise, the 28999-4 set delivers lasting quality you can feel on every drive.