Quote Originally Posted by Hog View Post
You wont find a GM part number as its not a GM automotive part. You'll find a Mercruiser p/n or similar. BTW They are a 4 bar or 58psi FPR. At WOT it will allow 58 psi and during cruise about 52psi of fuel pressure.

IIRC A FPR from a 97-98 LS1 Corvette will work.

peace
Hog
Its still a GM regulator. The GM TBI Marine regulators had a GM part number when they were available.