H&R 81-91 Mercedes-Benz SEC/SEL 6 Cyl/V8 W126 Sport Spring (w/Self-Leveling/Non Diesel)Sport Spring kits are H&Rs number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R Sport Springs lower the vehicles center of gravity and reduce body roll for better handling. The progressive spring rate design provides superb ride quality and comfort. A lower wind resistance signature will make the vehicle more streamlined and improve gas mileage. If you are only looking to improve one part of your vehicles

SuperPro's polyurethane bushings are the culmination of nearly 5 decades of suspension expertise and development in Australia's harshest terrain

Direct fit for factory subframe

The included high-performance air filters are surrounded by open-element XLPE (cross-linked polyethylene) polymer housings that minimize warm engine air for maximum performance

Center Bore: custom

Supplied as a complete kit with every part ready for straightforward install

Optimized aerodynamics via the flow control and fins

and extends piston life by decreasing the rate of thermal transfer

and stainless steel T-Bolt clamps

MFR Part # URO-011484

an in-house production facility was built and additional system technology was installed

*Includes clutch slave / release

Fabspeed Sport Headers feature Formula 1/IndyCar 3-into-1 high velocity merge collectors and German-imported 200-cell HJS tri-metallic sport catalytic converters