Holley® Vacuum Secondary Spring Kit; Custom Tailor Secondary Opening/Closing Rate; Incl. Instructions/Seven Springs [Color Coded From Light to Heavy];
- Provides springs of various rates to allow the racer to custom tailor the vacuum secondary opening and closing rate to best suit their combination
- Contains seven springs color coded from light to heavy
- Instructions included
- *Not legal for sale or use on pollution-controlled vehicles
California Proposition 65 Warning: Cancer and reproductive harm. See www.P65Warnings.ca.gov.