Product Description
GM/Chevy V8 HEI Distributor Mechanical Advance Re-Curve Spring Kit
Fine-tune your ignition timing with this mechanical advance curve kit—engineered for all GM and Chevy V8 HEI distributors. Ideal for performance tuning, this kit includes three calibrated spring sets to customize spark advance response based on your driving needs.
Key Features:
- Compatible with all GM & Chevrolet HEI V8 Distributors
- Includes 3 Spring Sets for Adjustable Advance Rates:
• Brown – Quick Advance
• Silver – Super-Quick Advance
• Copper – Ultra-Quick Advance - Precision Tuning for Street, Strip, or Custom Builds
- Sold Individually
Perfect for classic GM muscle cars, hot rods, and performance builds using HEI ignition systems.