YELLOW SPEED RACING PREMIUM COMPETITION COILOVERS HONDA CIVIC TYPE R FN2 07-11 EURO
PREMIUM COMPETITON coilovers are designed and developed for use in most motorsports. Through years of competition and testing, we have made uncountable improvements in setup for racing use in order to provide the most durable and competitive damper. Spring rates and shock valving are made for competition to make the vehicle more controlled and balanced.
This suspension system features 33-way dampening adjustment and full length adjustment to accommodate every driver’s needs. The lower mounts are manufactured from lightweight alloy aluminum to reduce unsprung weight. The pillow ball top mounts are used on McPherson struts for maximum handling and performance.
※ The linear rate spring can be selected with tailored setup of the coilover system to meet your needs without any other additional charge, please talk to us about your requirements before placing an order.
33-WAY DAMPENING ADJUSTABLE
This suspension system features 33-way dampening force adjustment (compression/ rebound). A wide range of dampening adjustments can be made to provide a variety of responses to different road conditions and to tune ride feel.
PILLOW BALL UPPER MOUNT (* SOME MODELS W/ ADJUSTABLE CAMBER PLATE)
For Premium Competition suspension set, either pillow ball upper mount (without camber plate) or aluminum upper mount available for Double-A Arm strut. Our customers can choose what they need at their decision. The standard setup is aluminum upper mount if customers do not specify when placing an order with us.
For MacPherson strut type, the pillow ball is equipped on the upper mounts to offer direct and complete handling response. For some models, the adjustable camber plate is provided (where applicable, please refer to our application sheet) allowing for the camber to be adjusted to prevent from excessive tire wear.
MONO TUBE INTERNAL DESIGN
The needle valve piston (material imported from Sweden) is utilized to make the steering more agile and to stabilize the vehicle. Spring rates and shock valving made for competition are significantly different from the ones for road use. High rigidity 52mm shock body(for MacPherson strut type) for extra oil capacity enables the cushioning force to have optimal linear change. We use highly reputable seal brand – NOK, whose seals can withstand high temperatures and prevent oil leakage. The piston rod is made from high quality S45C steel and is processed with Thermal Refining and High-frequency Induction Hardening treatments for rigidity and durability. Each component of the suspension system is rigorously inspected and strictly tested by YELLOW SPEED to avoid any failure. Our commitment to continual driving improvement goes beyond words. As all struts/shocks in racing applications are used harshly and aggressively so the limited warranty on Premium Competition insert/shock is not covered.
HIGH RIGIDITY STEEL SPRING
Spring rates and shock valving made for competition are significantly different from the ones for road use. All springs are produced from high quality SAE9254 spring steel for optimal durability and high tensile strength. The spring rate remains unchanged and undeformed, even after the spring has been used for a long time, and even if compressed or extended.
ADJUSTABLE SPRING SEAT
The spring seats are made from forged aluminum for durability and rigidity.
FULL LENGTH ADJUSTABLE
A steel lower bracket is utilized for MacPherson strut type to increase rigidity for safety (where applicable). For some MacPherson strut models, the brake line bracket is welded manually perfectly to the steel lower mount. A high quality forged alloy aluminum lower bracket is used for Double-A Arm strut type (where applicable). The steel/aluminum lower bracket is processed with electroplated/ anodized surface treatment to prevent corrosion or rust in the harsh conditions of motor sport. The vehicle ride height can be adjusted easily with the lower bracket by winding up and down to drop and raise. With the lower bracket, it allows maximum suspension travel without affecting the shock stroke.
LOWER LOCKING COLLAR
It is made from forged 6061 aluminum for increased strength and rigidity.
DEVELOPED DAMPING OIL
High-viscosity formula damping oil for competition is used for oil molecule protection against the highest temperatures to last the lifetime of the damper or longer.
Wave Alloy Steel Thrust Washer
For FRONT MacPherson strut models, wave alloy steel thrust washer is installed between a lower locking collar and a bottom mount. The wave thrust washer can provide a controlled amount of friction between the lower locking collar and the bottom mount to effectively prevent the lower bracket from spinning around or becoming loose.
SPRING BEARING MOUNT
PENDING PATEN
Spring bearing is mounted between the spring and the top cap to make the handling more agile and to eliminate the spring noise caused by car cornering. This design enables the spring and the shock to perform together more effectively. Clean and grease the spring bearing periodically to prevent from rust or corrosion, which can make the spring bearing last longer.
The spring bearing is consumptive product such as pillow ball bearing, rubber bushing, brake pads, brake rotor, oil seal etc.., and it will be worn out or deformed after having been used for a certain period. Therefore, the warranty does not cover spring bearings or metal shims that go on top and bottom of the spring bearings.
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