H&R 28908-11 Street Performance Mono-Tube Coilover Kit

The H&R 28908-11 Street Performance Coilover Kit delivers a premium suspension upgrade engineered specifically for street use. Unlike conventional twin-tube shock absorbers, these coilovers are built around a state-of-the-art mono-tube gas shock design that provides superior heat dissipation, more consistent damping, and a noticeably improved ride quality over standard OEM suspension components.

H&R is widely recognized as the originator of the true street coilover system, and this kit reflects decades of suspension engineering expertise. Each shock absorber is individually tuned and paired with a progressive rate spring that is designed from the ground up to work in harmony with the shock's internal valving — the result is a cohesive, finely balanced suspension system rather than a collection of mismatched parts.

The fully threaded shock body allows for precise, on-vehicle ride height adjustment, giving drivers the flexibility to dial in their preferred stance without sacrificing comfort or handling. Whether you're a daily commuter looking for a more planted feel or an enthusiast seeking a sharper, more responsive drive, the H&R 28908-11 coilovers are engineered to deliver on both fronts.

Key Features:

• Mono-tube gas shock construction for superior performance over traditional twin-tube designs
• Fully threaded shock body for on-vehicle, adjustable ride height lowering
• Lowering range of approximately 1.0 to 2.5 inches (average, vehicle-dependent)
• Progressive rate springs matched and tuned to each shock's specific valving
• Engineered for street use — balances performance handling with everyday ride comfort
• Complete coilover system from H&R, the originator of the street coilover concept

The H&R 28908-11 coilover kit is an ideal solution for drivers who demand a measurable improvement in handling dynamics, cornering stability, and overall suspension feel without sacrificing the livability required for daily street driving.