I picked up a set of heads the other day and I would like to know a little more about them. They have been CNC ported on the intake and exhaust, and the chambers. Best I can tell with a pair of calipers and the valves still in the heads they are 1.77, 1.50. Only marks I see on them are "ESP 48" stamped in the ends. Guy I got them from said they were done by Eastern Performance. As of right now the plan is to put them on a 4.1. Just wanting to get some info on them if I can.
Ported stock heads Identification
- Thread starter BMR
- Start date
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