Adjustable Vacuum Advance Kit, GM HEI Distributor

Description: Adjusts GM HEI or points distributor, includes Allen wrench, Easy to install, Complete instructions Adjustable Vacuum Advance Kit, GM HEI Distributor Sku # 28799600 Mfr. Part # 28799600 Condition New Brand Speedway Motors Sold Each Details Info 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 installIncludes 3/32" Allen wrench and easy-to-follow instructions Charts (PDF) Specs GTIN Code 743047007211 MFG. Part # 28799600 Reviews Perfect fit Rated by Chrome31 on September 17, 2020 Summary: Exact replacement for the speedway HEI for SBF 289/302 Pros: Exactly what I needed Yes, I recommend this product. It helped with engine pinging. Rated by jtb on May 17, 2020 Summary: Its pretty self explanatory, but lots of help on the internet Yes, I recommend this product. Perfect Rated by Camaro Craig on January 04, 2018 Summary: Easy to set, easy to install. Yes, I recommend this product. Replacement for an HEI Rated by Bullshoals23T on May 26, 2017 Summary: Needed this to limit advance Pros: Easy To Set Up Yes, I recommend this product. I would by this again and if needed I will Rated by the snow man on May 24, 2017 Summary: It has been raining from the time I installed and this classic does not go out in the rain Pros: Easy To Set Up Increases Efficiency Rugged Construction Yes, I recommend this product. Related Items / Suggested Parts GM HEI Distributor Mechanical Advance Curve Weight/Spring Kit Stainless Steel-Flex Vacuum Hose With Ends Tech Support We're here to help before and after your purchase. If you have a question or need assistance with one of our products, please contact us through eBay Messaging and a knowledgeable Speedway Motors team member will be happy to help. About Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 72 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.

Price: 49.99 USD

Location: Lincoln, Nebraska

End Time: 2024-12-29T13:08:06.000Z

Shipping Cost: 12.99 USD