Engine Summary
- Manufacturer
- Buick
- Family
- Buick Nailhead V8
- Displacement
- 425 cubic inches
Also Known As
1963 Wildcat 4451963 Wildcat 4651963 Riviera 4011963 Riviera 425
Engine profile
1963 Buick Riviera engine range
Buick Nailhead V8 · 425 cubic inches · Buick
Identification reference
Engine Details
Source-backed component numbers, codes, stampings, and application notes.
Wildcat 445
- Value
- 401 CID, 10.25:1 compression, Carter four-barrel, 325 gross hp and 445 lb-ft
- Application
- standard
- Type
- engine assembly / specification
- Car pages
- 1963 Buick Riviera
Sources: 1963 Buick Chassis Service Manual , 1963 Buick Riviera AMA Specifications , Evolution of the Riviera: 1963
Wildcat 465
- Value
- 425 CID, 10.25:1 compression, Carter four-barrel, 340 gross hp and 465 lb-ft
- Application
- optional after December 1962
- Type
- engine assembly / specification
- Car pages
- 1963 Buick Riviera
Sources: 1963 Buick Riviera AMA Specifications , Evolution of the Riviera: 1963
Cars Using This Engine
1 linked car page.
two-door pillarless sport coupe
1963 Buick Riviera
Model 4747 sport coupe