E-street vs Promaxx vs 440 Source
448 is a .040 over 440, stock stroke.
LY are the std stock rods...... not the 6bbl/HD rods.
Trw stock replacement .040 over pistons for a 68/69 440. Stock weight (almost 1100g).
Not honed with a deck plate.
Factory steel crank turned 20/20
Rotating assy was balanced.
It was basically a stock rebuilt bottom end that got balanced.