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Authenticity reference

Engine production code and VIN derivative location

numbers matching · documented

1970 Buick GS 455 Stage 1 in Desert Gold; exact GS Stage 1 exterior context. 1970 Buick GS Stage 1

Reference Details

Common issue
Replacement blocks or restamped pads may not match factory documentation.
Confidence
documented
Correct value
455 CID V-8 production code between the two rear spark plugs and left exhaust manifold; engine serial number between the two front spark plugs and exhaust manifold
Where to check
Left side of engine at the source-listed pad locations

Cars With This Authenticity Marker

1 linked car page.

Sources & Documentation