Should have the 452 motorhome version head with the steam ports on the exhaust valves.
Toss the heavy rods and low compression pistons.
The later blocks aren't thin walled and actually have more ribbing than the earlier ones.


72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, .
Moparmarks Parts & Restorations
Desert Mopar Metal
Grand Jct. CO
970-261-7039
http://moparmark.com/
motormangj@gmail.com