11-24-2025, 11:24 PM

74SDformula 74SDformula is offline

Chief Ponti-yacker

Join Date: Dec 2003

Location: McDonough, GA.

Posts: 762

421 SD Air Cleaners

I have a pair of 421 SD air cleaners for sale. One of these was probably dropped at some point in its 60-year life as it has some damage on the top/side. If the damaged area is installed toward the firewall, it probably won't be as noticeable. Inside diameter is 4.180 inches. I have no idea what these are worth, so I am just going to say $600 OBO. Thanks - Kyle.

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