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RS-series Plymouth VINs
1968–1971 Plymouth GTX VIN Decoder
The RS prefix identifies the GTX family during the reviewed 1968–1971 period. Combined with the body, engine and year positions, the thirteen-character VIN provides a strong factory identity before any fender-tag analysis is needed.
Decoder coverage: 1968–1971
1968–1971 GTX Engine/body/year/plant RS VIN family
Decoder reference
What this decoder page is designed to answer.
RS identifies the GTX family
PetrolJunky validates the RS prefix against supported model years and body positions, then decodes the period-correct fifth-character engine and seventh-character plant.
Engine codes capture core GTX powertrains
Depending on year, the VIN can identify 440 four-barrel, 440 Six-Pack and 426 Hemi families along with other valid combinations. The decoder uses year-aware mappings so reused letters are not mistranslated.
VIN identity and option authentication are separate jobs
Transmission, axle, paint and many performance details require the fender tag, broadcast sheet or drivetrain stamps. PetrolJunky stores the VIN decode as the foundation and lets later registry evidence supply the rest.
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Decoder facts stay tied to the exact VIN or chassis number while owners decide what history and photographs to share publicly.
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