MSD GM HEI Street Fire Advance Kit BR10002 These will locate the spring

These will locate the spring with an outside step so the spring cannot "walk" around on the head

The acceleration programs can be changed using the two arrow buttons on the top of the device

2017-2020 Ford F-350 Super Duty SINGLE REAR WHEELS Vehicle Does Not Have Ford OEM Fender Flares

in 100 and 1000 rpm increments

Check compression and rebound travel of coil-over shocks at a glance

MSD GM HEI Street Fire Advance Kit BR10002 These will locate the springThis 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