Re: intake gaskets
The most popular kit that I sell is:
(1) - Felpro Throttle Body Gasket
(1) - Victor Reinz Plenum Chamber Gasket
(1) - Felpro Lower Intake Gasket Set (for a regular LB4 4.3L)
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$30 + S&H
The ones Nate linked above are popular, but they are missing the EGR port and are not a "stock replacement" gasket IMO.