Reference Details
- Availability
- dealer
- Category
- performance
- Code
- SD 421
- Confidence
- documented
- Notes
- Not a factory-installed 1961 trim or regular-production engine option.
Option reference
SD 421 Dealer-installed Super Duty 421 engine
performance · dealer
Cars With This Option
1 linked car page.
1961 Pontiac
1961 Pontiac Catalina Super Duty 421
Dealer or race-team installation after Pontiac assembly