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Yellow Speed Premium Competition Coilovers

Price: $1,105.00
Brand:  Yellow Speed Racing
Product Code:  YS01-SB-PC
Availability: 

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* Chassis Fitment:

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Yellow Speed Racing Premium Competition Coilovers

PREMIUM COMPETITON coilovers are designed and developed for vehicles that participate in track events and competition racing often. Through years of competition and testing, we have made countless improvements in our setups for racing use. As a result, we have developed the most durable and competitive damper system on the market. Spring rates and shock valving are made specifically for competition use to make the vehicle more controlled and balanced.

This suspension system features 33-way dampening adjustment and full length ride height 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 Premium Competition coilovers feature stiffer spring rates than our Dynamic Pro Sport coilovers, as well as larger valving.

Please note that ALL of Yellowspeed's coilovers are hand built and made to order. Please allow 2-3 weeks for delivery.

※ 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 the ride feel.
   
PILLOW BALL UPPER MOUNT W/ ADJUSTABLE CAMBER PLATE or ALUMINUM UPPER MOUNT
For suspension systems utilizing a MacPherson strut type, the pillow ball mounts with adjustable camber plates (P/U *) are included fronts and rears (where applicable) to offer direct and complete handling response. However, pillow balls on some applications may create rattling sound (metal-to-metal sound, and this can be found on other brands as well). This is normal and it does not affect the product’s performance. The product warranty does not cover any rattling sound issue caused by the pillow balls. For those people who dislike the slight noise caused by the pillow ball, we also offer hardened rubber upper mount for noise reduction and enhancement of ride comfort and handling stability. For suspension systems utilizing a Double A-Arm strut type, this coilover kit comes standard with aluminum upper mounts (A/U). 
   
MONOTUBE INTERNAL DESIGN
15 month limited warranty on insert 
The needle valve piston is utilized to make the steering more agile and to stabilize the vehicle. A high rigidity 52mm shock body used for MacPherson strut type for extra oil capacity enables the cushioning force to have optimal linear change. High quality oil seals are utilized to withstand high temperatures and to prevent oil from escaping. 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. YELLOWSPEED’s commitment is to ensure safety and to provide high quality products, hence the shock stroke movement has been tested 10 million times on advanced testing equipment; this amount of testing is equal to a vehicle with 5-years of mileage. Each component of the suspension system is rigorously inspected and strictly tested by YELLOWSPEED to avoid any failure. Our commitment to continual driving improvement goes beyond words.
   
SPRING BEARING TOP
Spring bearing top is mounted under the pillowball mount 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.
   

HIGH RIGIDITY STEEL SPRING
All springs are produced from high quality SAE9254 steel for optimal durability and high tensile strength. The spring rate and shape remains unchanged and undeformed, even if the spring has been subjected to long term wear.

   
ADJUSTABLE SPRING SEAT
The spring seats are made from forged aluminum for durability and rigidity.
   
SHOCK BODY
Shock body is coated with Electroplating treatment to prevent rust and corrosion in the harsh conditions of motorsport.
   

FULL LENGTH ADJUSTABLE
A steel lower bracket is utilized for MacPherson strut type to increase rigidity for safety (where applicable). For most 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 motorsport. 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
Our formula damping oil contains high quality deformer to prevent foaming, and the viscosity remains unchanged under any working temperature conditions to ensure that all internal components perform perfectly.
   
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.

 

Model
Body Style
Year
Note
Part No.
Upper Mount
Front 
Rear 
BRZ
ZC6
12-up
 
YS01-SB-PC001-1
P/U*
A/U
IMPREZA
GC8
93-01
WRX, incl. STi
YS01-SB-PC001
P/U *
P/U
IMPREZA
GF8
93-01
WRX, incl. STi
YS01-SB-PC016
P/U *
P/U
IMPREZA  WRX / WRX STI
GD2,3,9/GDA/GDB
02-07
WRX (front clevis width = 26mm)
YS01-SB-PC002
P/U *
P/U
IMPREZA  WRX STI
GDB(AppliedE-G)
05-07
WRX STi (front clevis width = 30mm)
YS01-SB-PC003
P/U *
P/U
IMPREZA
GH2,3,7
08-10
front clevis width = 26mm
YS01-SB-PC004
P/U *
A/U or P/U
IMPREZA WRX
GH8
08-14
front clevis width = 26mm
YS01-SB-PC007
P/U *
A/U or P/U
IMPREZA WRX
GE (4door)
07-11
front clevis width = 26mm
YS01-SB-PC008-10
P/U *
A/U or P/U
IMPREZA  WRX STI
GRB/GRF(5door)
08-14
WRX STi 2.0L/2.5L
(front clevis width = 30mm)  (PCD114.3)
YS01-SB-PC008
P/U *
A/U or P/U
IMPREZA  WRX STI
GVB/GVF(4door)
11-14
WRX STi 2.0L/2.5L
(front clevis width = 30mm)  (PCD114.3)
YS01-SB-PC017
P/U *
A/U or P/U
IMPREZA WRX
VA
14-up
 
YS01-SB-PC018
P/U *
A/U or P/U
LEGACY
BC5
90-94
 
YS01-SB-PC010
P/U *
P/U
LEGACY
BD5
95-99
 
YS01-SB-PC011
P/U *
P/U
LEGACY
B4
00-04
 
YS01-SB-PC012
P/U *
A/U or P/U
LEGACY
BH9
00-04
 
YS01-SB-PC013
P/U *
A/U or P/U
LEGACY
BL9
05-09
 
YS01-SB-PC014
P/U *
A/U or P/U
LEGACY 
BL5/BP5
05-09
 
YS01-SB-PC015
P/U *
A/U or P/U

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