Here is a pictorial review of the 396 Stroker...
LT4 396 9.7 : 1 compression ratio
AFR 210cc LT4 heads
Lunati cam #54779LUN 489/489 lift, 215/224 dur @ .050, 112 degree lobe separation
1.6 ratio Pro Magnum roller rocker arms, the actual lift is 521/521
The rpm range is 1600-
With the recent addition of a "T" trim it is making between 10 -