Engine Summary
- Manufacturer
- Buick
- Family
- Buick Nailhead V8
- Displacement
- 401 cubic inches
Also Known As
1965 Buick Gran Sport 4001965 Buick Skylark Gran Sport 4011965 Buick 401 NailheadWildcat 445LR 401401 CID Buick V8
Engine profile
1965 Buick 401 four-barrel Nailhead V8
Buick Nailhead V8 · 401 cubic inches · Buick
Identification reference
Engine Details
Source-backed component numbers, codes, stampings, and application notes.
Automatic-transmission Carter model
- Value
- 4453
- Application
- 1965 Skylark Gran Sport 401 with Super Turbine 300 automatic
- Type
- carburetor / carburetor list
Sources: 1965 Buick Mid-Size Car Fact Sheet
Automatic-transmission Rochester 4GC model
- Value
- 7025040
- Application
- 1965 Skylark Gran Sport 401 with Super Turbine 300 automatic
- Type
- carburetor / carburetor list
Sources: 1965 Buick Mid-Size Car Fact Sheet
Manual-transmission Carter AFB model
- Value
- 3922
- Application
- 1965 Skylark Gran Sport 401 with manual transmission
- Type
- carburetor / carburetor list
Sources: 1965 Buick Mid-Size Car Fact Sheet
Cars Using This Engine
1 linked car page.
two-door post coupe, two-door hardtop, or convertible
1965 Buick Skylark Gran Sport 401 Nailhead
1965