RPM PERFORMANCE

 BRAND


GM Chevy V8 HEI Distributor Mechanical Advance Curve Spring Kit



This H.E.I. Advance Curve Kit is designed to fit all GM H.E.I. distributors. This kit comes with 3 sets of advance springs to allow you to adjust the rate of spark advance from fast (Brown), to super-fast (Silver), to ultra-fast (copper).



This kit will fit all 1974-1979 GM HEI distributors that are NON-COMPUTER CONTROLLED.  

This kit will not work with computer controlled distributors.


Includes:


  • 2 Weights
  • 1 Center Plate
  • 3 sets of color-coded springs
  • 2 pairs of nylon bushings