yep!,you got lied to!,as kato,and stroke stated,if it's a 4.00 bore,and not a 4.030,it's a 302!,also don't always look for a bore size stamp on the piston,I have run into this before where somehow the pistons were not stamped with the bore size on them,possibly a factory f**kup,your thoughts on this kato?
'89 LX Coupe
GT40 306 with a few bolt ons and in the 12's
#6257 of 6381 Bolt ons, pulleys, and tuned.
K&N drop in, and Borla dual exhaust, for now.