XRay Front Coil Spring For 4mm Pin C=1.5-1.7 - Gold (2)

Dial in your on-road setup with the XRay Front Coil Spring set XR372186, offering a C-rate window of 1.5–1.7 to fine-tune steering response and front-end support. Designed for pan car front suspensions using a 4 mm king pin axle (suggested compatibility), these springs help you adapt quickly to changing grip and driving style.

Each spring is powder colour-coded for quick identification. Stiffness is determined by wire thickness and the number of coils: lower C values feel softer, while higher C values are firmer. Developed through extensive testing and racing, this matched pair delivers consistent, repeatable performance.

Features

• C-rate range: 1.5–1.7 for precise front-end tuning
• 4 mm king pin axle pan car application (suggested compatibility)
• Powder colour-coded for easy spring selection
• Developed and validated through testing and racing

What’s Included

• Front coil springs x2