Chevy Performance - GM, GMPP, AND CHEVROLET VALVE COVER PARTS
     This shows some of our GM, GMPP, and Chevrolet Valve Cover Parts. Chevy Performance carries the complete line of GM, GMPP, And Chevrolet valve cover parts. If you don’t see what you are looking for, call and ask for it, using our toll free phone number. Proform officially GM licensed parts have both the Proform part number and the GM part number. We sell these under the Proform part number. The prices for Proform parts on a downloadable Price Sheet on our Price Sheets page.
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Updated 04-17-2006.
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 GM, GMPP, AND CHEVROLET VALVE COVER NAVIGATION
GM, GMPP, And Chevrolet Valve Cover Index GM, GMPP, And Chevrolet 4 & 6 Cylinder Valve Covers
GM, GMPP, And Chevrolet Small-Block Valve Covers GM, GMPP, And Chevrolet Big-Block Valve Covers
GM, GMPP, And Chevrolet Valve Cover Parts SBC Aluminum Competition Valve Covers
Proform Official GM Licensed Chrome Valve Covers and Parts  

 VALVE COVER BOLTS, STUDS, AND NUTS
P/N Description Link
10088165 SBC - Black Center Bolt Valve Cover Bolt (Single Bolt)
These bolts are used on center bolt style valve covers. This part number is for a box of five bolts, but we sell this part number as a single bolt keeping the individual price the same as if you had bought all five.		 (Pic)
12497980 SBC - Bolt Kit For Center Bolt Design Valve Covers (8 Bolts)
This bolt kit is used on die cast aluminum valve covers, chrome, crinkle, and polished finishes. They are used on all 1986 and newer Gen 1 and 2 engines with center hold down design. These bolts will not fit production valve covers. See Proform P/N 141-133.		 (Pic)
12338092 SBC - Rocker Cover Production Black Hold Down Bolt (Single Bolt)
These black production rocker cover hold down bolts are used on all 1986 and later stamped steel center hold down valves (4 per cover required).		 (Pic)
12356818 SBC - Rocker Cover Chrome Hold Down Bolt (Single Bolt)
These chrome rocker cover hold down bolts are used on all 1986 and later stamped steel center hold down valves (4 per cover required).
NOTE: The production black rocker cover bolt is P/N 12338092.		 (Pic)
14051876 SBC, BBC, and some V6 Chevy's - Rocker Cover Stud Nut, 1/4-20 (Single Nut)
Used with rocker cover stud P/N 14082320.		 (Pic)
14082320 SBC, BBC, and some V6 Chevy's - Rocker Cover Stud (Single Stud)
These special "Torx" head studs (1/4-20 x 11/4") make valve cover installations easy by holding the gasket in place. They also add a touch of class to any high-performance engine.
Note: This part number is for a package of 10 studs. We sell this part number as a single stud.		 (Pic)
25520079 BBC - Valve Cover Bolt (Single Bolt)
This valve cover bolt will work with either Gen V or Gen VI engines.		 (Pic)

 VALVE COVER ADAPTERS
P/N Description Link
24502540 SBC - Adapter Kit, Flange Mount To Center Bolt Valve Covers (Two Adapters)
This adapter kit is used to bolt flange mount (1958-87) valve cover to 1987 and up center bolt style engines.
Technical Notes: The adapters are CNC machined from billet aluminum stock. This package includes two adapters and fasteners. The replacement o-ring gasket is P/N 12480023.		 (Pic)

 VALVE COVER GASKETS
P/N Description Link
03933964 SBC - Rocker Cover Gasket, 55-86 (Single Gasket)
This cork-type gasket fits all rocker covers with conventional hold-down bolts.		 (Pic)
10046089 SBC - Valve Cover Gasket, 1986-Up (Single Gasket)
This valve cover gasket is used on all 1986 and later center bolt style valve covers. Smooth contact surface.		 (Pic)
10048606 V6/60° - Valve Cover Gasket (Single Gasket)
This cork-type valve cover gasket is used on the 3.4L engine conversion package P/N 12363230.		 (Pic)
10185008 V6/90° - Valve Cover Gasket (Two Gaskets)
This valve cover gasket is used only with V6/90° splayed-valve cylinder head P/N 10134394. (Discontinued)		 --
10185043 SBC - Rocker Cover Gasket (Two Gaskets)
Used only on splayed-valve V8 cylinder head P/N 24502517.		 --
12480023 SBC - O-Ring Gasket (Single Gasket)
This O-Ring Gasket is the replacement gasket for valve cover adapter kit P/N 24502540.		 --
14082322 SBC - Rocker Cover Gasket, 59-86 (Single Gasket)
This 4 hole, cork-type gasket, fits rocker covers from 1959 to 1986.		 (Pic)
14085759 BBC - Valve Cover Gasket (Single Gasket)
This silicon, steel- reinforced gasket, fits all big-block Chevy valve covers.		 (Pic)
14088564 SBC - Corvette Valve Cover Gasket (Single Gasket)
Corvette Mag Center Bolt. Ribbed contact surface.		 (Pic)
24502557 V6/90° - Valve Cover Gasket (Single Gaskets)
This valve cover gasket is used with V6 racing heads that have the new rocker cover bolt locations.
Technical Note: Use with rocker cover P/N 24502527 only. (Discontinued)		 --

 VALVE COVER OIL BREATHERS
P/N Description Link
25534355 Air Breather, Circle Track (Two Breathers)
Sold under Proform part number 141-621 (Single Breather). Use the Proform part number for price.
These special breathers are for circle track valve covers and are used in engines P/N 88958603 and P/N 88958602. These chrome breathers are 1-3/8" hose clamp style with hood and Bow Tie logo.
Technical Note: When used with valve covers P/N 25534359, the breathers are installed on the left side valve cover.		 (Page)

 VALVE COVER GROMMETS
P/N Description Link
03894337 SBC, BBC - Rubber Grommet (One Grommet)
Used for Bow Tie valve covers, 15/16” ID x 1-7/32” OD. This grommet can be used to plug the oil filler hole in Bow Tie valve covers or to mount a push-in breather.
Note: This part number is for a package of four grommets. We sell this as one grommet under this part number.		 (Pic)

 VALVE COVER RETAINERS
P/N Description Link
03850874 SBC - Spring Bar Retainer Corvair Style --
03877670 SBC - Reinforced Short Style --
14044820 SBC - Spring Bar Retainer Chrome Plated (One Retainer)
Clamp down on oil leaks by installing these special steel retainers under the rocker cover bolts. They distribute the clamping force over a large area and prevent deformation of the valve cover flanges. These narrow retainers are engineered to fit Bow Tie covers. Chrome plated part number 14082321, to match chromed Bow Tie covers.		  
14082321 SBC - Spring Bar Retainer (One Retainer)
Clamp down on oil leaks by installing these special steel retainers under the rocker cover bolts. They distribute the clamping force over a large area and prevent deformation of the valve cover flanges. These narrow retainers are engineered to fit Bow Tie covers.		 (Pic)
14085816 SBC - Valve Cover Hold Down Kit (For One Valve Cover)
Kit includes 4 spring bar retainers, 4 rocker cover stud nuts, and 4 rocker cover studs.		 (Pic)
14091379 BBC - Valve Cover Hold Down Kit (For One Valve Cover)
Kit includes 7 spring bar retainers, 7 rocker cover stud nuts, and 7 rocker cover studs.		 (Pic)

 VALVE COVER SEALANT COMPOUND
P/N Description Link
12378478 Valve Cover Sealant (Single Tube)
Eliminate messy oil leaks with this specially compounded RTV sealant. [Old P/N 01052366]
No picture or description available yet. This should be similar to the old part number in performance. We have a number of tubes with the old part number left yet and will sell them under this part number until sold out and we have to reorder more under the new part number. The price on both part numbers is the same.		 (Pic)

 VALVE COVER DECALS
P/N Description Link
12363951 Valve Cover Decal “427 Cubic Inch” (Single Decal)
This decal reads “427 cubic inch” is required on new custom valve cover P/N 12495488. It requires two of these part numbers per engine. They also can be used on early 1991-93 big block engines.		 (Pic)
12363952 Valve Cover Decal “454 Cubic Inch” (Single Decal)
This decal reads “454 cubic inch” is required on new custom valve cover P/N 12495488. It requires two of these part numbers per engine. They also can be use on early 1991-93 big block engines.		 (Pic)
12363953 Valve Cover Decal “502 Cubic Inch” (Single Decal)
This decal reads “502 cubic inch” is required on new custom valve cover P/N 12495488. It requires two of these part numbers per engine. They also can be used on early 1991-93 big block engines.		 (Pic)
12366994 Valve Cover Decal “502 GM Performance Parts” (Single Decal)
These decal are used on big-block aluminum valve covers P/N 12495488, and are printed “502” with GM Performance Parts logo. Two are required per engine.		 (Pic)
12366995 Valve Cover Decal “454 GM Performance Parts” (Single Decal)
These decal are used on big-block aluminum valve covers P/N 12495488, and are printed “454” with GM Performance Parts logo. Two are required per engine. Only B&W photo available.		 (Pic)