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Authenticity reference

Original engine block stamp

numbers matching · documented

1970 Plymouth Road Runner Superbird photographed at the Louwman Collection; exterior profile context, not standalone Hemi proof. 1970 Plymouth Superbird 426 Hemi

Reference Details

Common issue
Replacement or non-matching Hemi block.
Confidence
documented
Correct value
Last eight digits of the Superbird VIN stamped on pad on lower right/passenger side of block near oil pan
Where to check
Passenger-side lower engine block pad near oil pan.

Cars With This Authenticity Marker

1 linked car page.

Sources & Documentation