BLOX Racing Street Series II Plus Coilovers | 2015–2021 WRX/STI

BXSS-03505 - BLOX Racing Street Series II Plus Coilovers | 2015–2021 WRX/STI

Fine-tune your Subaru’s ride height, damping, and handling with the BLOX Racing Street Series II Plus coilover system.

Designed for the 2015–2021 Subaru WRX and STI, this preassembled kit combines 32-way damping adjustment with a threaded twin-tube body, giving you a broad tuning range for street comfort, sharper response, and improved high-speed stability.

Key Features

• 32-way adjustable damping for precise suspension tuning
• Threaded twin-tube design with high-viscosity oil for consistent performance
• Adjustable spring perches for ride-height changes
• Vehicle-specific SAE 9254 racing springs: 8 kg/mm front, 7 kg/mm rear
• Heat-treated, shot-peened, and powder-coated springs for fatigue and corrosion resistance
• High-quality top mounts included
• Dyno- and cycle-tested for performance and reliability

What’s Included

• Preassembled front and rear coilovers
• Top mounts
• Dust covers and bump stops
• Spanner wrench set

Fitment

2015–2021 Subaru WRX and STI
Manufacturer part number: BXSS-03505

Professional installation and a post-installation alignment are recommended.