Originally Posted By cudaman1969
NHRA piston guide,
69 440- .027 below deck
70 440. .051 below deck
71. 440 .051
72. 440 .123 below deck

67 440 .059
68 same as 69


NHRA specs are not ACTUAL FACTORY and should not be used as a guide for any spec that is Factory as delivered mopar related.


running up my post count some more .