+1 for the LD340
480 HP @5700 and 511 lbs./ft torque @ 4300 with the LD340 on my 418 stroked 340.
fwiw, It did not like any size spacer we put on it... your mileage may vary...
Eddy heads right out of the box, solid lifter, full roller, 10.5:1, 92 octane unleaded.
It's just a street car too.