Why It Matters
The reviewed package references establish 3.91 gearing.
Also Known As
1963 Max Wedge 3.91 Sure-Grip
Part profile
8 3/4-inch Sure-Grip rear axle
axle · Chrysler Corporation
Used On
2 linked car pages.
Ramcharger 426 package across eligible 330, 440, Polara, and Polara 500 bodies
1963 Dodge Polara Max Wedge
Dodge called it Ramcharger 426; Max Wedge is the familiar enthusiast name.
Super Stock 426 package across eligible Savoy, Belvedere, Fury, and Sport Fury bodies
1963 Plymouth Savoy Max Wedge
Plymouth called it Super Stock 426; Max Wedge is the familiar enthusiast name.