This is my new motor For my 73 240z. It is a 410 stoker mopar 360 525 HP 565 torque> Should have it running by may 2015. I had to have the drivers side headers re rout one header pipe. the passenger side fit with out re fabricating. i have 4.38 gears 727 trans 3500 stall . Roller cam 615 lift 310 Dur 10.5 Compressing