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Authenticity reference

Engine application

numbers matching · documented

Reference Details

Common issue
Later small-block, four-barrel, dual exhaust, or visible V8 badges treated as proof of original installation · 1955 Chevrolet Bel Air
Confidence
documented · 1955 Chevrolet Bel Air
Correct value
Factory engine suffix and date consistent with six/V8, transmission, Power Package, clutch, and air-conditioning application · 1955 Chevrolet Bel Air
Where to check
Six-cylinder block pad behind the distributor or V8 pad at the right-front of the block · 1955 Chevrolet Bel Air
Common issue
Later 283/327/350, aftermarket dual-quad hardware, or V emblems treated as proof of original installation · 1956 Chevrolet Bel Air
Confidence
documented · 1956 Chevrolet Bel Air
Correct value
Factory suffix and date consistent with six/V8, transmission, RPO 410/411/449, clutch, and air-conditioning application · 1956 Chevrolet Bel Air
Where to check
Six-cylinder block pad behind the distributor or V8 pad at the right-front of the block · 1956 Chevrolet Bel Air

Cars With This Authenticity Marker

2 linked car pages.

Sources & Documentation