Dynaspark opti and MSD 6btm
#1
Dynaspark opti and MSD 6btm
Dynaspark opti used for about 3000 miles send back to dynaspark a couple years back and never put it back on as I went in a different direction. MSD boost timing master lets you retard timing with boost. 250 for opti 150 for MSD box prices negotiable.