Head cooling mod, UPR, EBay, MMR etc. Any difference?

[01vert]

Looking at HCMs and the UPR / eBay one is less than half of the others. I didn’t see a significant difference between the UPR and MMR. I know others such as Wonder Racing and others are different but for the ones that are like hockey pucks with a tab for a bolt is there actually any difference?
Hoping someone has some real world experience with the cheaper ones. I have a wonder racing one in the current engine but I need another for the new motor.

Thanks.

 

[Bullitt1448]

I originally bought an MMR one. It didn’t fit properly from the get go. I bought the Cobra Engieering one and couldn’t be happier. Much better fit and finish

 

[Blkkbgt]

I originally bought an MMR one. It didn’t fit properly from the get go. I bought the Cobra Engieering one and couldn’t be happier. Much better fit and finish

Cobra Engineering is what I was going to suggest. I wouldn't hesitate to buy a thing from him.

 

[03cobra#694]

^^^Agree. I did the Even Flow I think it was forever ago. Not sure it's even around anymore. It is, looks like Lethal has taken over. Instructions still say Even Flow.
Hardest thing was getting that stupid soft plug out.

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[vr4]

i have mmr. fit was just fine if you dont mind removing egr.

 

[D-MANN]

I made my own. Head coolant fitting from mmr to the back of the drivers head. Made my own line and tied it into the coolant crossover thermostat housing from cobra engineering.


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