[FFR428]

I see nice used SO blocks for $2-2.5k. The good NOS blocks that check out ok are in the $4-5k+ range. Years ago the most I ever saw a NOS 427 service block sell for was $7500. This before the aftermarket blocks were out there at the peak of the market. No matter how nice/well made the aftermarket blocks are some guys just prefer NOS Ford stuff. And will pay for them.