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They look good for rebuilt heads, they were shipped in a timely manner and packaged very well to prevent damage. I haven't run the engine yet but will give another review in the future.
I tested all valve seats and found 4 intake valves leaking through. I lap in the 4 intake valves and retested. Problem solved but they should have been tested before shipping.
Good service, fair price, I will recommend this place
They fit very well and fixed the engine, they refunded the core back to me and after I replaced the exhaust manifold on the driver side the ticking went away.