MSD Pro-Mag 12 LT Magneto - Fits Chevrolet 91929959 has two independent pressure adjustments:

has two independent pressure adjustments: one for idle and one for wide open throttleTo us

It can be used in quick change style rear ends and drag race applications

Ball And Socket Collector Connections

1991-1991 Buick Park AvenueFits GM 1965 to 1991 TH400

MSD Pro-Mag 12 LT Magneto - Fits Chevrolet 91929959 has two independent pressure adjustments:PRO MAG 12LT Features: Compact billet housing is 3. 5" in diameter for increased manifold injector clearance. Rynite injection molded cap with brass terminals and locking rotor. Generator mounts to the housing for easy timing adjustments. Designed with Sprint cars in mind, the Pro Mag 12LT is almost 30% lighter than the original Pro Mag, but still produces the same incredible power. The compact housing also sits an inch lower for improved clearance of