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mustang7065
01-16-2012, 11:57 PM
I own two MSD 6AL boxes part no. 6420, one I have owned for many years in my 1970 Fastback Mustang. The new one was supposed to replace the old one but never functioned new out of the box. Is it possible to have you or your mech to repair my box.

msdtech1955
01-17-2012, 08:12 AM
:blink: so your looking to send in your box for repair?

if so , call 915-857-5200 ext 1162
or on -line

http://www.msdignition.com/RMA_step0.aspx/