MSD Ignition Unit 6AL - 2 Ignition Control Each#MSD6421 SCR-ES12R PACKAGE CONTENTS: Set of Headers

PACKAGE CONTENTS: Set of Headers

Hummer: 2003-2010

• Very strong

Automotive Aftermarket and many others

MSD Ignition Unit 6AL - 2 Ignition Control Each#MSD6421 SCR-ES12R PACKAGE CONTENTS: Set of HeadersMSD 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. Features: All new housing, same reliable digital circuitry and performance Built in 2 Step rev control adjustable with rotary dials Higher