1963 Cadillac DeVille V8 6.4L 12si High Output Alternator Amperage:250 amp alternator Big3 is required for all

Big3 is required for all high amp and high output alternators

This is a direct fit high-output alternator for the 2008-2010 Ford F-450 Super Duty 6

This is a direct fit high-output alternator for the 1996-1999 GMC C1500 Suburban 6

and the other side will plug into the factory plug

pulley and will require installing a 1/2 inch - 1 inch shorter belt

1963 Cadillac DeVille V8 6.4L 12si High Output Alternator Amperage:250 amp alternator Big3 is required for allFitment: This is a direct fit high output alternator for the 1963 Cadillac DeVille 6. 4L. Being a direct fit, this alternator fits directly into your stock alternator location. Plug: This high output alternator comes with a 14. 8 Volt GM Style Internal Regulator with one wire connection. This alternator is not plug and play and must be wired with the one wire connection. NOTE: If you require charging at a certain voltage setpoint, we offer a selection