Idle Speed Adjustment Spring for Briggs Raptor - Superseded by 691783

Idle fluctuations disrupt flow—steady them with the idle speed adjustment spring (SKU: 555101). Superseded by 691783 in Briggs Raptor engines, it provides calibrated resistance for precise low-end control.

• Corrosion-proof coil maintains shape over seasons
• Supports bump-free idling for clean getaways
• Integrates seamlessly with governor systems

This spring ensures your kart doesn't lug or surge at stops, preserving momentum for quicker resumes. It's a subtle enhancer that keeps races interruption-free, letting you organize sessions around peak efficiency.

Simple to replace, it restores factory feel, aiding tuners in dialing in perfect idle mixtures for fuel savings and power readiness.