An upgrade common among M50/S50US engines is to switch out the headers for M52/S52 manifolds; this requires 2 EGR block-off plates for proper installation. Removing the Secondary Air Pump (SAP) leaves two head ports exposed, which must be s...
Reviews
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Doesn't fit perfectly. I drilled the holes out and then it worked.
J
Jason · June 29, 2026
I appreciate that they came with gaskets, as some don't that are on the market, however these are far too thick to be utilized with factory studs. I have to grind these down to get any thread engagement at all. A tad disappointing as I've had fantastic experience with all of Condor's stuff in the past.