MSD GM HEI Street Fire Advance Kit Fire Extinguishers this High Energy pushrod set

this High Energy pushrod set works perfectly with High Energy or Magnum rockers

Spacers Included

Port Size: 2

Square- Bore

MSD GM HEI Street Fire Advance Kit Fire Extinguishers this High Energy pushrod setThis 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 ONLY. This kit will help you achieve the solid ignition timing you need! This is designed for the Street Fire HEI and stock style HEI Distributors. (Not for use with Billet and Pro Billet MSD Distributors)Features: Fits