Speedmaster HEI Distributor Advance Curve Kit Chevy C10 60-87/ Chevy/ GMC C/K 88-98/ GM and Aftermarket HEI

Fine-tune ignition timing and unlock improved engine performance with this Speedmaster HEI distributor advance curve kit. Designed to help your distributor achieve full mechanical advance more quickly, this kit allows you to customize the ignition advance curve for enhanced throttle response, acceleration, and overall drivability. It is an excellent upgrade for street performance builds, engine tuning projects, and restoration applications utilizing HEI ignition systems.

Features and Benefits:
- Fits GM and aftermarket HEI distributors
- Helps achieve full mechanical advance faster than stock
- Improves throttle response and engine acceleration
- Allows customization of ignition advance curves
- Includes 3 advance stop bushings
- Includes 4 advance springs
- Includes necessary gasket packings
- Ideal for performance tuning and restoration applications

The kit includes multiple advance stop bushings and springs, allowing you to tailor distributor advanced characteristics to match your engine combination and performance goals. Compatible with both factory GM and aftermarket HEI distributors, this comprehensive kit provides the components needed to optimize ignition timing while maintaining reliable operation. Installation is straightforward, making it an ideal solution for enthusiasts looking to maximize performance without major modifications.

Kit Includes:
- (3) Advance Stop Bushings
- (4) Advance Springs
- Gasket Packings

Vehicle Fitment:
- 1960-1987 Chevy C10
- 1988-1998 Chevy/ GMC C/K