Vortex Black Spring for Firm Kart Clutch Response

Firm and fearless: Black Vortex springs ramp up pressure for clutches that engage with authority, suiting high-output karts where hesitation costs positions. Each one is a building block for personalized tension profiles in SMC systems.

• Heavy rate for reduced slip in boosted applications.
• Durable black finish resists wear from frequent adjustments.
• Individual sale enables progressive spring combinations.
• Engineered for even compression, avoiding coil bind.

Feel the surge in acceleration as it organizes firm response, helping you blast out of hairpins. Versatile for wet or dry tracks, it maintains consistency. A favorite among tuners for dialing in pro-level feel. SKU: SMC-4059 – the grip behind your glory.