Aragosta 7K/7K Type S Suspension Kit w/ Pillowball Upper Mounts for E90 / E91 / E92 BMW 320i / 323i / 325i / 330i
Aragosta Type S Coilover Suspension systems are engineered to achieve optimum ride during spirited driving, from winding back roads to competitive circuit driving. Balanced, linear handling and seamless traction are hallmarks of these meticulously designed coilovers. A wide range of adjustability allows for a true daily driver/weekend warrior suspension that is equally proficient in nearly any situation.
- Premium Rana springs for incredibly consistent rates and unmatched durability.
- Forged aluminum cylinders with Kashima coatings provide incredible strength and corrosion resistance.
- High rigidity steel inverted struts and cation coating ensure long life and smooth operation.
- 20 step damper settings for an incredibly wide, usable range of adjustability.
- Fully height adjustable.
- Pillow ball and rubber mount options available in many configurations.
- Coilovers (4x dampers + Rana Springs)
- Adjustment Wrenches
The Ultimate in Smooth Performance
The ultra-lightweight, high-pressure forged aluminum cylinder uses next-generation film treatment and Kashima coating. The special treatment of impregnating molybdenum realizes amazing lubricity of the cylinder itself. It is equipped with significant friction reduction and durability that cannot be compared with conventional hard alumite, and enables basic performance such as linearity, smoothness, and traction ability at a high level.
High-Precision Machining with the Highest Priority on Performance
Aragosta are particular about the processing accuracy of the cylinder and are able to execute surface roughness of 0.2 micron and 2/10000 mm for both aluminum and steel cylinders. In addition, an advanced honing treatment is performed to increase the surface accuracy and roundness inside the cylinder to the specified values. It is extremely rare for a damper manufacturer to perform processing at this precision engine on all of their cylinders.
Superior Finishing Technology
The steel cylinder / outer case is coated with cationic electrodeposition coating, which is considered to be the best in terms of rust prevention, impact resistance, and durability. It reliably electrodeposits to every corner of the thread for maximum coverage and increased lifespan.
Equipped with High-Performance Spring as Standard
All Aragostas are equipped as standard with Rana springs, which embodies the ideal of a series-wound spring. In addition to high quality and high durability, the linear characteristics contribute to maximizing the damper performance.
Sharpened Internal Structure
Supporting Aragosta’s outstanding performance are damper pistons and needles that can control fine damping characteristics from extremely low speeds; covering a range from comfort to sports, dramatically improves traction performance. In addition, the external damping force adjustment mechanism gives a clear characteristic change to the 20-step adjustment range with a smooth and direct click feel, and corresponds to any setting.
High Hardness, High Efficiency WPC Processing
The inverted cartridge cylinder uses precision shot peening (WPC processing), which is the best technology for modifying metal surfaces. In cartridge cylinders with high sway resistance, the wear coefficient has been reduced and the oil film retention in the sway part has been significantly improved. It is a manifestation of manufacturing that puts the highest priority on performance to spend time and money on parts that are not visible.
- Uses OEM rear upper mounts.
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