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7 V8 1979 - 1981 GMC K2500 Suburban 292/4
or the upgraded APR Ultracharger System
6L V8 1959 - 1965 Chevrolet Bel Air 283/4
BIG WIRE 8 CYLINDER SMART COIL KIT
25/8 V 1973 - 1974 Chevrolet C10 Pickup 4
MSD 6421 6AL-2 Ignition Box Digital w/ Built-In 2 Step SBC BBC SBF Chevy Ford fuel-line 7 V8 1979 - 1981Overview: MSD is excited to announce the next generation of 6 Series ignition controls the 6AL 2! The ignition control combines a new housing, new digital controls and more power in a sleek package. Inside the new cast aluminum housing you'll find an advanced micro controller that manages the built in two step rev limiter. The spark output of the new box has been turned up to 535 volts of primary voltage with spark energy reaching up to 135
