Kyosho W5313-22 Spring (Φ1.2 x 8.5 x 61/2.2/2 pieces)

Tune your Ultima RB7.5's suspension with these performance springs offering a firmer 2.2 rate for enhanced stability during aggressive driving. The 8.5mm coil diameter provides responsive compression while maintaining the 61mm length for consistent handling characteristics.

Key Features

• Firmer response - 2.2 spring rate for increased support

• Optimized coil spacing - 8.5mm diameter balances stiffness and compliance

• Maintained travel - 61mm length preserves suspension geometry

• Matched pair - Two identical springs for balanced performance

Why Choose These Springs

• Improved high-speed stability - Reduces chassis roll

• Better jump landings - Handles heavy impacts with control

• Versatile performance - Works well on medium-high grip tracks

• Direct fit - Easy installation with no modifications

Technical Specifications

• Wire diameter: 1.2mm

• Coil diameter: 8.5mm

• Free length: 61mm

• Spring rate: 2.2

• Material: High-quality steel

Recommended Applications

• High-traction outdoor tracks

• Fast, flowing circuits

• When using medium-heavy shock oil

• For drivers preferring precise steering response

Upgrade your RB7.5 with these slightly stiffer springs that deliver the perfect blend of support and predictability for competitive racing conditions.