Good afternoon, I have a 93 Mustang 5.0 with the Holly Systemax top end (heads intake upper and lower) and need to replace my exhaust gaskets and was wondering which of Percy's gaskets 60014 or 60018 would be the correct. I believe that the holly heads are considered square port, just want to be shure. Thanks
CAR MAKE & MODEL
ac = Yes
drivewheel = 2WD
engine = 5.0
fuel = fi
make = Ford
model = Mustang
pwrbrk = Yes
pwrstr = Yes
trans = auto
year = 1993
Thank you for giving Jegs the opportunity to assist you.
For the Holley heads use 66014, however if the header you are using has more of an oval port the 66018 will provide better sealing area
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