HEI Advance Curve Kit
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Please NOTE the following about this product:
- This item is sold as a kit.
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NOTE: Installation of this kit may alter emission levels.
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Adjust your GM HEI distributor for any driving condition. This kit allows you to change the amount of ignition vacuum advance for maximum part-throttle performance while preventing the harmful effects of spark knock (detonation). Dial in as much spark advance as conditions permit — add more advance under light load conditions to improve throttle response and fuel economy, or limit spark advance in high compression engines and high load conditions to eliminate knock.
- Built-in stop prevents the adjustment screw from "backing out" like other designs
- Easy to install
- Includes 3/32" Allen wrench and easy-to-follow instructions
287-99600 Instructions (PDF)
Fast and accurate method of adjusting ignition timing without use of a timing light. Change timing quickly between heats. Fits all Chevy V8 and 90° V6 distributors. May require minor modification to some manifolds.
545-26100 Instructions (PDF)
This little jewel replaces the vacuum advance on an HEI distributor. This allows you to change the timing without having to loosen the distributor - just turn the knob.
Fits V8 engine HEI distributor only.
"French" distributor clamps for Chevys provide superior clamping power and compensate for misalignment.
With the introduction of our 20 Amp Extreme HEI Module, we needed an HEI Cap and Rotor that could withstand the high output. The answer was to mold our own HEI Cap, Rotor and Coil Cover. The Cap and Rotor will fit our HEI Pro-Billet Distributor, PN 8365,
This kit will help you achieve the solid ignition timing you need! The Kit comes with new advance weights, springs to set the rate of advance and new bushings. This is designed for the Street Fire HEI and stock style HEI Distributors. (Not for use with Billet and Pro-Billet MSD Distributors)
- Fits Street-Fire HEI
- Fits Stock Style HEI Distributors
- Not for MSD Billet and Pro-Billet Distributors