Unlock lower stall speeds with this gold .085" wire spring, a Brian Barnes innovation for 3.5" diameter clutches like Surge and Viper.

Perfect for applications needing early engagement, it reduces the RPM threshold for power delivery, ideal for stock classes or lightweight lever setups. This means snappier starts and better adaptability to varied track conditions.

• Universal fit across most market clutches for easy swaps.
• Gold coloring aids quick identification during maintenance.
• Supports lower stall for fuel-efficient, agile racing.
• Durable wire withstands repeated cycles without fatigue.

Transform your kart's launch characteristics with this spring (SKU: FCDC-SP85), organizing your clutch for competitive low-end torque that propels you ahead of the pack.

Frequently Asked Questions

Q: What is the primary benefit of using the .085" gold clutch spring?

A: This spring is designed to lower your clutch stall speed. By reducing the RPM threshold for engagement, you achieve snappier starts and better power delivery, which is ideal for stock classes or lightweight lever setups.

Q: Is this spring compatible with all kart clutches?

A: It is designed as a universal fit for most market clutches, specifically optimized for 3.5" diameter clutches like the Viper and Surge series.

Q: Why is the spring colored gold?

A: The gold finish is a functional design choice that allows for quick visual identification during maintenance, ensuring you can easily distinguish your spring rates when tuning your clutch setup.

Q: How does a lower stall speed affect my racing performance?

A: A lower stall speed allows the engine to engage the drivetrain earlier in the RPM range. This provides better low-end torque, helping you accelerate faster out of corners and off the starting line.

Q: Can I use these springs with my existing Viper clutch kit?

A: Yes, these springs are designed to be easily swapped into existing Viper clutch assemblies to help you fine-tune your launch characteristics for specific track conditions.

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