Champ Pans CP725 Vacuum Advance Lockout Plate for GM HEI Distributors

The Champ Pans CP725 is a vacuum advance lockout plate designed to eliminate vacuum timing advance on GM HEI-style distributors. This precision-engineered component provides racers and performance enthusiasts with a reliable solution for locking out distributor timing when running fixed ignition curves.

Key Features:

• Specifically designed for GM HEI distributors with vacuum advance
• Constructed from high-quality, durable material for long-lasting performance
• Bolts directly in place on Circle Track HEI distributors
• Compatible with most GM HEI distributor applications
• Simple installation for quick timing lockout
• Ideal for circle track racing and performance applications requiring fixed timing

When running a fixed ignition curve or using electronic timing control, the vacuum advance mechanism becomes unnecessary. This lockout plate replaces the vacuum advance function, ensuring consistent timing throughout the RPM range. Manufactured by Champ Pans, a trusted name in racing components with over 40 years of experience providing quality performance parts to grassroots racers and professional racing teams alike.