Chuck,
Yes it has the 8445 heads and has performed great for the 4 years I’ve had it. I’ve upgraded to TE60, CAS V4 SLIC, 3” DP, TT chip with 60lb injectors with and alkycontrol kit. I run it regularly at 25 psi with no KR.
Maybe it a jaspers that got lucky with correct crank, block, and heads...