Originally Posted by calrobb2000

hi

steel just for cast iron ????

most all 361 383 413 426w 440 use a steel shim valley pan gasket iron or alu intakes !

i have use many on the b rb motors with no prob .

more important is the fit between heads and block for good seal !





Agreed, however the subject is a 1961 318 Poly, very much like a smblk LA (67- up) mopar, just front/rear seals and runner gaskets, no valley pan/gasket

Mike