H&R 54766-4 Street Performance Coilover Kit

The H&R 54766-4 Street Performance Coilover Kit delivers a refined balance of ride comfort and improved handling for street-driven vehicles. Built around a mono-tube gas shock design, each shock absorber is custom-valved to work in precise harmony with a progressive-rate coil spring — resulting in a cohesive, finely tuned suspension system rather than a collection of mismatched parts.

The fully threaded shock body provides straightforward ride height adjustability, allowing you to dial in your preferred stance while maintaining proper suspension geometry. Lowering the vehicle's center of gravity reduces body roll during hard cornering and delivers more confident, balanced handling on the street.

Key Features:

• Mono-tube gas shock construction for superior response and heat dissipation
• Custom-valved shocks paired with precision progressive-rate springs for a balanced ride
• Fully threaded shock body for adjustable vehicle ride height
• Front lowering range: approximately 1.25" – 2.0"
• Rear lowering range: approximately 1.25" – 2.5"
• Includes spanner wrenches for quick and easy height adjustment
• Lowers center of gravity to reduce body roll during cornering
• 100% German-engineered and manufactured

H&R pioneered the street coilover system and continues to be a benchmark in the aftermarket suspension segment. The Street Performance series is purpose-built for drivers who want meaningful handling improvements without sacrificing day-to-day drivability.