2-5/8" AutoMeter Ammeter (-60 to +60). Model 3581. The date code on the back shows 11/88. This was installed, but not wired up. Compare to the current 3586 Sport Comp gauge. Included is a new AutoMeter bulb and socket (# 2359). $20 plus shipping. Located in Southwest Michigan (49112). https://www.facebook.com/marketplace/item/507040298174108/