MSD GM HEI Street Fire Advance Kit Helmet both of the capacitive discharge

both of the capacitive discharge high power ignitions are NASCAR approved

throttle position sensor mounting points and knurled (hand adjustable) curb idle screws

hidden boot cut

Intake Material NK-844 with 1000 Times Better Fatigue Strength than competitors offerings

Extend-A-Fender

MSD GM HEI Street Fire Advance Kit Helmet both of the capacitive dischargeThis 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