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Click on image for the lowdown. 
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| | | Forums66 Topics128,087 Posts1,056,376 Members48,442 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Sep 2006 Posts: 335 Shop Shark | | Shop Shark Joined: Sep 2006 Posts: 335 | just ordered one and when i opened the top the seal was hard as a rock and crumbled. what causes this? any place to buy just the rubber seal? its the twin cylinder for 4spd | | | | | Joined: Sep 2006 Posts: 335 Shop Shark | | Shop Shark Joined: Sep 2006 Posts: 335 | | | | | | Joined: Sep 2006 Posts: 2,393 Shop Shark | | Shop Shark Joined: Sep 2006 Posts: 2,393 | I don't really know what a 6066 master cylinder looks like, but I would think some aftermarketers or a place like NAPA may be able to help you. Just a guess though.
Drew
| | | | | Joined: Sep 2006 Posts: 335 Shop Shark | | Shop Shark Joined: Sep 2006 Posts: 335 | nah nothing seperate, just need the cover gasket thanks | | |
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