Bell housing info

http://www.brewersperformance.com/products.asp?cat=209&pg=3

They sell a dust cover to fit this, and indeed a truck bell

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http://www.brewersperformance.com/prodimages/small/CHS912-1.jpg CHS912 BELLHOUSING STARTER SEAL 11" SMALL BLOCK TRUCK BELLHOUSINGS
Details
Small block 11" bell housing starter seal, this is the tin shield that fits on the front of the bell housing and closes the gap between the lower dust cover and bottom edge of the block. Fits 11" small block truck bell housings with casting numbers 3497270, 3681131 and 3893728. Good used, as available. Short DCB-SB self tapping screws (2) needed for attachment to lower dust cover.


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Unfortunately it was not here, but LOOK how many there ARE LOL

http://www.rosevillemoparts.com/reference_castingnumbers5.php

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This claims it's out of a 72 truck but claims it works with 3 and 4 speeds. So??

http://www.jlaforums.com/viewtopic.php?t=169493843

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And this, which interestingly, is in "that other language" and says it fits a NP435

http://www.sekaimon.com/i271207543016