That thing gotta Hemi?

Them be some purtty impressive spec's!
H.P. Disp. C.R. Ind. Make Casting Intake Lifter RR Head Notes
Manifold cc’s
305 345 12.7 MPI CHRY P5155173 P5155184 H/R 1.60 71.7 A
275 360 11.4 MPI CHRY P4510046 P4510046AB H/R 1.60 56.0 B,C
385 370 12.6 MPI CHRY P5155173 P5155184 H/R 1.60 71.7 A
Throttle Bore Size
A/B – 1.75 inch
C – Aluminum roller tip rocker arm
H.P. Disp. Deck Cl. Piston Height Vol Valves Cam Lift Springs Gasket
305 345 .000 Dome .205 16.4cc 2100/1600 584/552 Beehive .026
OEM Diamond piston #46191
275 360 .004AB Flat w/ Notches .000 6.8cc 2020/1600 490/490 Outer w/Damper .040
OEM piston #51021
385 370 .0135BD Dome .137 14.8cc 2100/1600 584/552 Beehive .039
OEM Diamond piston #46192
Head Castings
305 345 05037369AA
375 360 P5153847
385 370 05037369AA