About this product
These Yellow Speed Advanced Pro Plus Circuit Spec 2-Way coilovers fit the 2008-2014 Subaru WRX STI 5DR. They deliver elite-level suspension performance for competitive motorsport. Featuring 2-way adjustable damping, this coilover system provides precise chassis control for demanding track conditions.
Full-length ride height adjustment allows fine-tuning of stance, weight distribution, and center of gravity. High-rigidity monotube shock construction delivers consistent, fade-free damping under sustained high-performance driving. Every Advanced Pro Plus coilover kit is built to order for precise fitment and quality assurance.
Features
- 2-Way damping adjustment for precise chassis tuning
- Full-length ride height adjustment via lower bracket
- Monotube internal shock design for consistent performance
- High-rigidity SAE9254 steel springs
- Electroplated shock body for corrosion resistance
- Built to order for precise fitment and quality assurance
Specifications
Part Number YS01-SB-ASCR008 Part Name Yellow Speed Advanced Pro Plus Circuit Spec 2-Way Coilovers Vehicle 2008-2014 Subaru WRX STI Chassis Code GRB/GRF Drivetrain AWD Strut Type - Front Inverted Strut Type - Rear Standard Suspension Design - Front True Coilover Suspension Design - Rear True Coilover Upper Mount - Front Pillowball Upper Mount with Camber Plate Upper Mount - Rear Standard: Aluminum Upper MountOptional: Pillowball Upper Mount Spring Rate - Front 14 Kg/mm Spring Rate - Rear 16 Kg/mm Damping Adjustment 2-Way Custom Spring Rates Available upon request Notes WRX STi 2.0L/2.5L; (front clevis width = 30mm)(PCD114.3)
Fitment for STI coilovers
Fits the 2008-2014 Subaru WRX STI 5DR. Each model year is listed below.
Vehicle Fitment
- 2008 Subaru WRX STI (GRB/GRF)
- 2009 Subaru WRX STI (GRB/GRF)
- 2010 Subaru WRX STI (GRB/GRF)
- 2011 Subaru WRX STI (GRB/GRF)
- 2012 Subaru WRX STI (GRB/GRF)
- 2013 Subaru WRX STI (GRB/GRF)
- 2014 Subaru WRX STI (GRB/GRF)
Description supplied by SPRINGRATES through its current Shopify listing. Product, performance, and health claims are the seller’s and have not been independently verified by StorkScout.






