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Looking for aftermarket parts to modify or upgrade your 1990 GMC C2500 with valve cover gaskets? At Tunersports.com we carry a huge selection of the top name brand performance valve cover gasket parts and accessories.
 SHIPS FROM MANUFACTURER C15006-125Race inspired designs and materials ensure that these valve cover gaskets will perform well above the OE standard. Cometic valve cover gaskets surpass the quality and ability of typical cork or paper gaskets offered by other manufactures. Withstands blowing out, over tightening, and high vacuum all ... Cometic Chevrolet LB1/LB4 Gen-1 90 Degree V6 .125in Molded Rubber Valve Cover Gasket - Center Bolt 1988-1993 GMC C2500 Sierra / Sierra SLE / Sierra SLX $44.12 |