Reference Details
- Common issue
- A standard painted cast-iron intake or an aftermarket replacement.
- Confidence
- reported
- Correct value
- Unpainted aluminum intake, casting 407570 in marque references
- Where to check
- Casting number on the intake manifold
Authenticity reference
W-30 intake manifold
numbers matching · reported
Cars With This Authenticity Marker
1 linked car page.
1972 Oldsmobile
1972 Oldsmobile 442 W-30
L77 455 W-30 V8, rated at 300 net hp and 410 lb-ft