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Dimensions:
Click here for dimensions.
Number of Bolts: 4 per cover, on the perimeter, straight across
Finishes: Read about finishes and construction of PML parts.
PML designed these valve covers with the traditional styling of rounded corners and the classic CHEVROLET script for an old school look and feel.
Benefits:
- Classic design
- GM licensed product
- Heavy duty sand cast aluminum construction
- Thick flange will not flex when bolts are tightened
- Mid height design to work with many roller rocker systems
- Standard perimeter 4 bolt mounting to cylinder head found on 1959 to 1986 Chevy small block engines
- Mounting bolts provided
- Made in USA
The script is cast into the cover and raised. On powder coated parts, the powder coat is shaved off the top of the script. On polished finish parts, the band is not polished to provide contrast to the script.
Configurations vary! Before ordering go to our CHECKLIST.
We have some of these valve covers on SPECIAL because of cosmetic blemishes:
- Special #377 in polish finish
- Special #452 in natural as cast finish
- Special #463 in natural as cast finish
Licensed GM product. All related Emblems and vehicle body designs are tradmarks of General Motors LLC, used under license to PML, Inc.
These PML valve covers are standard flange mount covers for V8 small block Chevy engines (265, 283, 327, 350, 400). The valve covers mount on to the cylinder heads with four bolts on the perimeter, directly across from each other. These valve covers can fit the small block engines originally produced in 1959 to 1986 and many new crate motors.
We fit each cover on a stock GM cylinder head with stock rocker arms.
See SPECIFICATIONS for information to determine if these valve covers will for your engine configuration. Always check before ordering as PML has a restocking fee.
Loaner Program
We want to make sure you get valve covers that will work on your engine and you love looking at. With that in mind we have a program for borrowing a PML valve cover to test fit on an engine. Learn more about the PML Loaner Program.
Installations
Thank you to our many customers who have emailed with pictures of their restorations with these valve covers.
- 1930 Ford Roadster
- 1939 Ford Sedan
- 1951 Chevrolet 3100
- 1956 Chevy
- 1956 Chevy Nomad
- 1957 Bel Air
- 1959 Chevy Apache
- 1961 Parkwood
- 1963 Impala
- 1964 El Camino
- 1965 Chevelle
- 1967 Chevy C10 383
- 1970 Chevy Pick-Up
- 1970 Chevelle
1930 Ford Roadster
1930 Ford Roadster with these PML valve covers, Grand National Roadster Show 2016. Built by Brian Stone at Stone's Metal Shop (310-851-9301) and paint by Leo Vargas at Showtime Paint (310-720-3533).
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1939 Ford Sedan
Dale saw PML valve covers at the Grand National Roadster Show in 2020 and ordered these valve covers for his 283 Small Block Chevy motor in this 1938 Ford Sedan. He has an old school manifold so he used a breather for both covers, no PCV.
1939 Ford Sedan 283 Small Block Chevy
283 motor
PML valve covers on 283
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1951 Chevrolet 3100
Mike emailed us: "Valve Covers look great, compliments on them every time I raise the hood! Very pleased, thanks again"
Mike's handsome 1951 Chevrolet 3100 has a 350/300hp GM Crate Engine.
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1956 Chevy
Mike selected these PML valve covers for the restoration of his 1956 Chevy with a 383 small block. He had the covers and engine custom powder coated. The Chevy was still a work in process when Mike provided these pictures.
1956 Chevy, 383, PML valve covers
383 small block chevy engine
Restoring the 56 Chevy
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1956 Chevy Nomad
Bill custom painted as cast finish PML valve covers to match his engine compartment. His Nomad has an original 265CI engine with some upgrades.
1956 Nomad
PML valve covers, painted to match engine
Another view of engine with PML covers
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1957 Bel Air
These valve covers were completely polished by the customer for this Bel Air. PML offers valve covers in a polish finish, but PML does not polish on the band where the scrip is. By starting with the cast finish, the customer was able to achieve the completely polished look he wanted.
1957 Chevy Bel Air
1957 Chevy Bel Air with PML valve covers
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1959 Chevy Apache
If this Apache looks familiar, that's because it has been featured Lowrider Magazine. Luis restored his 1959 Apache Fleetside Deluxe Trim with a Vortec 350 Ramjet XL and PML valve covers. Our thanks to Luis for choosing PML covers.
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1961 Parkwood
Mark has the only right hand drive 1961 Parkwood 9 passenger wagon ordered in Australia in 1961. His resotration included these PML valve covers for the original 283 engine. He purchased the cast finish covers from PML and had them painted to match his engine.
1961 Parkwood Wagon, 9 passenger, right hand drive
PML valve covers on a 283 in a 1961 Parkwood
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1963 Impala
Elias installed these PML valve covers with PCV and breather holes on his 1963 Impala.
1963 Impala
1963 Impala with PML valve covers
Passenger side of engine, 1963 Impala, PML valve covers
Driver side of engine, 1963 Impala, PML valve covers
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1964 El Camino
Avery installed PML valve covers and a PML 200 4R transmission pan on his 1964 El Camino. He did the custom polish finish on the valve covers so they are completely polished.
1964 El Camino
1964 El Camino Engine
PML Valve Covers on small block Chevy engine in a 1964 El Camino
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1965 Chevelle
This 1965 Chevelle Malibu SS had the 283 original motor swapped with a 383 Stroker and then dressed up with these PML valve covers.
1965 Chevelle
new 383 stroker
original 283 motor
PML valve covers on the 383 stroker
passenger side of 383 engine with PML valve cover
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1967 Chevy C10 383
Darren installed PML valve covers on his 1967 C10 383. The passenger side cover has the PCV plumbing. The driver side cover has the PML breather pushed into the hole so it is barely visible.
Images from left to right: 1967 C10, Driver Side with PML valve covers installed, Passenger Side with PML valve covers installed
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1970 Chevy Pick-Up
PML orange powder coated valve covers on Steve's 1970 Chevy pick-up, 350 small block. Valve covers were machined with PCV and breather holes.
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1970 Chevelle
Another beautiful restoration by Avery (see 1964 El Camino). He started with the cast finish and did the custom polishing so he would have completely polished rocker covers.
Chevy Small Block with PML valve covers
1970 Chevelle
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Will These Valve Covers Fit On Your Engine?
Engine configurations vary! Before ordering use our CHECKLIST.
We have a Loaner Program if you need a cover to test fit.
Gaskets
Gaskets are not included with these valve covers. PML designed these Chevy Small Block Perimeter Mount Valve Covers to work with cork composite gaskets.
Optional PCV, Breather, and Oil Fill Holes
PCV/breather/oil fill holes are optional. PML makes these valve covers without holes and can machine holes when needed for an engine configuration.
PML valve covers with optional PCV/breather holes.
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Our approach to PCV and breather holes is unique so we made a PDF file with pictures and details: PML Specifications on Oil Fill, Breather and PCV (click to view) (a new window or tab will open with a PDF file).
If these PML valve covers are ordered with PCV, oil fill and breather holes, PML will machine one hole in each cover on the intake manifold side and include a PCV grommet, a push-in breather, and an oil fill tube.
Call if your engine configuration requires one hole or to discuss your requirements.
PML machines the valve covers to order in our shop. We use four or five different tools, shown in picture, on a CNC machine to create neat, leak-free holes. Spot facing provides a smooth sealing surface for grommets.
Videos of PML machining holes: PML machining a PCV hole and PML machining breather hole.
Inside of PML Valve Covers
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PML Valve Covers Compared to Stock
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This is a stock cover from a Chevrolet small block 283 engine. The stock cover is thin stamped steel and is (or was) orange.
