Page 164 of GM Performance Parts 2006 Catalog by GM Parts Direct

Push-In Air Breather Cap B CircleTrack Breather A Spring Bar Retainer D 162 Spring Bar Retainer, Chrome Plated E Push-In Oil Filler Cap C NOTE: NOTE: 88962074 Oil Baffle Tube Pushes easily into most valve covers that have an oil baffle. Requires breather P/N 25534355. (Used on ZZ572 engines.) A. 25534355 Circle Track Breather These special breathers are for circle track valve covers and are used on Circle Track and ZZ572 engines. Chrome breathers are 1-3/8", hose-clamp-style with the Bowtie logo on top. Installs on the left-side of each valve cover. Kit includes two breathers. B. 12341989 Push-In Air Breather Cap Three-inch-diameter breathers for use in valve covers with grommets fitting 1.22" holes. Use with Grommet Set P/N 12341892. C. 12341993 Push-In Oil Filler Cap For valve covers with 1.22" hole. 3894337 Rubber Grommet, Bowtie Valve Covers Has 15/16" I.D. x 17/32" O.D. and can be used to plug the oil filler hole in Bowtie valve covers, or to mount a push-in breather. D. 14082321 Spring Bar Retainer Clamp down on oil leaks by installing these special steel retainers under the valve cover bolts. They distribute the clamping force over a large area and prevent deformation of the flanges. These narrow retainers are engineered to fit pre-1986 engines with perimeter-style hold downs. Package contains one retainer. Order four per valve cover. E. 14044820 Spring Bar Retainer, Chrome Plated Similar to retainer P/N 14082321 described above, but chrome plated to match chrome valve covers. Package contains one retainer. Order four per valve cover. 3933964 Valve Cover Gasket Cork-type gasket fits all valve covers with perimeter holddown bolts. One gasket per package. 10185043 Valve Cover Gasket, Splayed Valve Head Used with on splayed-valve V-8 cylinder head P/N 24502517. Kit includes two gaskets. CHEVY SMALL-BLOCK V-8

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