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Authenticity reference

428 CJ intake manifold casting and date

date correctness · reported

Reference Details

Common issue
Replacement FE intake or undated/misdated intake represented as original to the car.
Confidence
reported
Correct value
Cast-iron intake with C8OE-9425-C engineering number behind the carburetor mounting area; rear intake date code should precede the car build date.
Where to check
Behind the carburetor mounting area for the engineering number; at the rear of the intake manifold for the Year-Month-Day date code.

Cars With This Authenticity Marker

1 linked car page.

Sources & Documentation