Engine Summary
- Manufacturer
- Chrysler Corporation
- Family
- Chrysler RB big-block
- Displacement
- 426 cubic inches
Engine profile
Chrysler RB big-block · 426 cubic inches · Chrysler Corporation
Identification reference
Source-backed component numbers, codes, stampings, and application notes.
Designed for special high-octane fuel and maximum acceleration.
Sources: 1963 Plymouth mid-size cars fact sheet , 1963 Plymouth Super Stock 426 technical service bulletins
Factory-rated at 5,600 rpm with torque at 4,400 rpm.
Sources: 1963 Plymouth mid-size cars fact sheet , 1963 Plymouth Super Stock 426 technical service bulletins
Factory bulletin 63-26B also specifies a Roman numeral II on the cylinder-head covers.
Sources: 1963 Plymouth Super Stock 426 technical service bulletins
1 linked car page.
Super Stock 426 package across eligible Savoy, Belvedere, Fury, and Sport Fury bodies
Plymouth called it Super Stock 426; Max Wedge is the familiar enthusiast name.