New A Simpler, Cheaper Version Of The Hemi, Inward 400 Together With 444 Cu In, That Would Supervene Upon The 426 Hemi Inward 1972, Together With Delete The Diversity Inward Large Block Mopars Past Times Consolidating All The Company’S Big-Block V8s—The 383/400, 426 Hemi Together With The 440, Into A Single, All-Purpose Engine Family: The Ball-Stud V8
it was significantly cheaper too lighter than the 426 hemi’s rocker-shaft system. The Ball-Stud engine was 6.5 inches narrower too over 100 lbs lighter.