AST Suspension Lowering Springs for the 1979-1982 Opel Kadett 1.6 (D) will lower that center of gravity without giving in a lot of the comfort you are used to with the OEM springs. The lowering springs are a direct replacement of the OEM springs and have been developed especially for each specific vehicle. Made out of the best material on the best Wafios coiling machines available.
AST Suspension Lowering Springs are manufactured from a premium high tensile chromium-silicone wire which is handpicked by AST engineers for its quality and metal consistency. Each spring is cold wound and then heat treated to increase hardness and reduce internal stresses present after winding. Each spring is then individually shot peened, phosphate treated and then powder coated to outlast even the life of the vehicle.
We recommend that our lowering springs be installed by a specialist workshop having the experts and special tools. Prior to assembly, it is absolutely necessary to read the TUV expertise comparing it with the data of the car and the delivered chassis part in order to exclude future assembly and technical problems concerning the TUV.
Brake Power Regulator
If the vehicle is equipped with a load-dependent brake power regulator on the rear axle, we recommend checking this regulator and having it re-adjusted by your specialist workshop.
Vehicles equipped with an anti-blocking system: the sensors have to be accurately re-adjusted after mounting our lowering springs.
Vehicles equipped with level adjustment: requires re-adjustment after mounting our lowering springs.
After our lowering springs are installed, wheel adjustment values must be checked.
The lowering indicated by us results from the difference between the standard ride-height (distance between fender and the center of the wheel) and the ride-height after lowering. You should take into consideration that in case of lowering carried out by the factory, the dimensions are reduced by this lowerage.
WARNING: Cancer and Reproductive Harm
Advanced Suspension Technology (AST) has continuously evolved since its inception in 2000. From progressive lowering springs to 3-way adjustable dampers with external reservoirs, AST Suspension offers a wide range of products for almost any application.
AST Suspension was founded by Piet Kreeft and Peter Smits; their roots in suspension development and industrial manufacturing pushed the company to the forefront even in its early stages. For nearly 15 years, Piet supported professional auto and motorcycle racing for KONI Suspension at several prestigious circuits around the globe. Piet later left KONI to start Aragosta Suspension, becoming a leader in both motocross and GP racing. Aragosta built upon his success and expanded the product range to include most vehicle applications. Piet later formed HI TECH, where he worked with INDY cars and was very active in the chassis and suspension space.
After leaving HI TECH, Piet formed AST with Peter Smits of Smits Factory in 2000. Together, the knowledgeable pair combined their years of technical expertise to design and construct new suspension systems. AST earned its name through unparalleled quality control and manufacturing flexibility, setting it apart from the competition in the suspension industry. Apart from its impressive sport and street damper product lineup, AST also succeeded in European motorsports.
AST Suspension NA was established to offer the U.S. the same high-performance shocks used by enthusiasts and race teams throughout Europe. With a demanding market for more powerful vehicles, handling and control is just as important to keep that power in check.
AST Suspension NA was formed and is headquartered in Irvine, California, at the heart of the U.S. automotive industry. The U.S. team specializes in serving the North American market via sales, product support, and service, working directly with the AST and Moton headquarters in Holland.
AST Suspension is dedicated to exceeding its customer’s expectations in terms of support, service, and innovative, high-quality products. AST designs, manufactures, and sells shock absorbers and related products with a specialization in the production of shock absorbers for vehicles serving normal street use and competition purposes as race, rally, autocross, quads, karts, etc. AST is able to achieve such high-quality parts by controlling the entire production process. Its headquarters is set in the same building as Smits factory, where 80% of the parts are made. This ensures continuity and the European quality guarantee that the company promises.
AST suspension takes pride in its work and is continuously working to improve its products by way of technical know-how, experience, and testing on circuits, roads and specific terrain.
If you are ready to upgrade your vehicle’s suspension, then you have come to the right place. Vivid Racing carries a wide range of quality products from AST, including coilovers, bushings, mounts, sway bar links, steering components, and more! Please call our sales team at (480) 966-3040 with any questions you may have regarding parts or fitment.
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