Seller notes

HEI advance curve kits are designed for use on all non-computerized GM type HEI distributors. The kits include two weights, a center plate, three sets of color-coded springs, nylon bushings, and a detailed instruction/setup manual. Item comes in an unopened Summit Racing package. SHIPPING INFO: I only ship to the lower 48 states. USPS is my preferred shipping method but some items may ship UPS or FedEx Ground. All items should be inspected immediately and any shipping damage should be reported t...

Contact Us regarding this vehicle

Contact Seller on eBay

You will be redirected to eBay

When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission.