H&R 29459-1 Street Performance Coilover Kit Mono-Tube Adjustable Lowering

The H&R 29459-1 Street Performance Coilover Kit delivers a refined balance of daily-drive comfort and spirited handling performance. Built around a mono-tube gas shock construction, these coilovers offer superior heat dissipation and more consistent damping response compared to traditional twin-tube designs — making them an ideal upgrade for enthusiasts who refuse to compromise between ride quality and performance.

H&R is widely recognized as the originator of the true street coilover system, and the 29459-1 reflects decades of suspension engineering expertise. Each shock is individually tuned and paired with a progressive-rate spring engineered from the ground up to complement the shock's specific valving characteristics. The result is a cohesive, finely calibrated suspension system rather than a collection of off-the-shelf components.

Key Features:

• Mono-tube gas shock construction for improved performance over twin-tube designs
• Fully threaded shock body allows precise, tool-adjustable ride height
• Adjustable lowering range of approximately 1.0 to 2.5 inches
• Progressive-rate springs matched and tuned to each shock's valving
• Engineered for street use — suitable for daily drivers through serious performance enthusiasts
• Delivers improved handling response and ride comfort over stock suspension

H&R coilovers are manufactured to exacting tolerances and designed as a complete system, ensuring reliable long-term performance. The 29459-1 kit is a proven solution for drivers looking to lower their vehicle's ride height while meaningfully improving its suspension dynamics.