Reference Details
- Availability
- optional · 1969 Plymouth Barracuda 440
- Category
- performance · 1969 Plymouth Barracuda 440
- Code
- D21 · 1969 Plymouth Barracuda 440
- Confidence
- reported · 1969 Plymouth Barracuda 440
- Notes
- Four-speed floor-shift transmission ratios are listed for 340, 383, and 440 V8s; individual-car D21 claims require documentation. · 1969 Plymouth Barracuda 440
- Availability
- optional · 1971 Plymouth Duster 340
- Category
- performance · 1971 Plymouth Duster 340
- Code
- D21 · 1971 Plymouth Duster 340
- Confidence
- documented · 1971 Plymouth Duster 340
- Notes
- Classic Industries identifies D21 as A833 four-speed manual context; apply to an individual car only with tag or broadcast-sheet support. · 1971 Plymouth Duster 340
- Availability
- optional · 1972 Plymouth Duster 340
- Category
- performance · 1972 Plymouth Duster 340
- Code
- D21 · 1972 Plymouth Duster 340
- Confidence
- documented · 1972 Plymouth Duster 340
- Notes
- Code context comes from the decoder; confirm the individual fender tag and broadcast sheet. · 1972 Plymouth Duster 340