Overview
The Kyosho Shock Spring (2.9 Rate) is a precision-wound suspension spring designed for short shock applications on competitive RC on-road racing platforms. With a 1.4mm wire diameter, 3.125mm inner diameter, and 20mm free length, these springs provide a firm response ideal for high-grip surfaces and aggressive driving.
Supplied as a matched pair, the 2.9 spring rate offers controlled chassis response and quick suspension recovery, making it excellent for smooth, high-traction tracks where minimal body roll is desired.
Key Features
- Precision-wound for consistent spring rate
- 2.9 spring rate - firm response option
- Compact 20mm length for short shock setups
- High-quality fatigue-resistant steel
- Matched pair for balanced performance
Performance Benefits
- Minimizes chassis roll during cornering
- Quick suspension response for immediate feedback
- Improved stability on high-grip surfaces
- Consistent performance under repeated loading
Usage Notes
Compatible RC Scales: 1/10 scale on-road touring cars
Best For: High-grip tracks, firm suspension setups, competition racing
Verify spring dimensions and shock compatibility before installation.
Technical Specs
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Brand: Kyosho
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Wire Diameter: 1.4mm
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Inner Diameter: 3.125mm
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Free Length: 20mm
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Spring Rate: 2.9
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Quantity: 2 springs (matched pair)
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Part Number: W5307-33B
What's Included
- (2) Kyosho Shock Springs - 1.4×3.125×20mm (2.9 rate)
Fitment
- Kyosho V-ONE R4 Evo.3
- Kyosho V-ONE R4 series touring cars
- Compatible platforms using matching spring dimensions
Summary
The Kyosho 2.9 Rate Shock Spring set delivers firm, responsive suspension performance for competitive on-road racing. These precision springs provide the control needed for high-grip surfaces and aggressive driving styles.
