Ok I believe these are Mac headers. Can anyone confirm? I gave them to a buddy of mine recently and he's using them on his gt40p's. Just thought I'd post a good pic for reference. 90 degree boots with a heat sleeve on the rear plugs and he should be good to go.
Edit: No, he's not using the OEM springs. He was just throwing these on to see how they fit. He's actually in the process of putting on/ setting up the Trickflow spring kit as we speak. He lapped the valves, cleaned/painted the heads, etc. Hope to have the engine sitting in the car next week.
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