Trans-Dapt Performance Products' steel core rubber gaskets are completely reusable. The strong steel core, rubber design of these gaskets reinforces the frame to ensure alignment and a long lasting seal. Sold in pairs.
 
Part # ProductEngineFinishLength Media
7488 Solid Rubber Valve Cover Gaskets- 1987-99 Chevy 5.0/5.7L; Center-Bolt design (no steel core) Chevy SB 5.0/5.7L; '87-99
$23.80
9168 Valve Cover Gaskets; STEEL CORE/RUBBER; 1955-86 SB Chevy 265-350 (pr.) Chevy SB 265-350; '55-86
Photo
$20.11
9850 Valve Cover Gaskets; STEEL CORE/RUBBER; 1965-95 BB Chevy 396-502 (pr.) Chevy BB 396-502; '65-95
$29.47
9851 Valve Cover Gaskets; STEEL CORE/RUBBER; Ford 260, 289, 302, 351W (pr.) Ford SB 260-289-302-351W
Photo
$27.09
 
http://hedman.com/images/ePIM/original/9168-C.jpg
http://hedman.com/images/ePIM/original/9851.jpg