9secfirebird
10-12-2005, 05:35 PM
MSD timing retard box, so you can change your ignition timing with just a simple chip as often as you want.
took it out of the box, installed it, used it for about a month, sold the car and have took this off before i sold it
50 bucks plus shipping
took it out of the box, installed it, used it for about a month, sold the car and have took this off before i sold it
50 bucks plus shipping