Proform Valve Covers?
Add reads:
"Premium die-cast aluminum, tall style valve cover manufactured with internal oil drippers and GM-designed baffles. Center bolt hold-down style. Includes mounting bolts and washers."
I called Jegs and asked about them fitting LS1s, so the guy I spoke with called the manufacturer and confirmed that they DO fit.
Has anyone bought these yet or have any experience with them you could share. At $129.99 for black coated valve covers, they seem like a nice alternative to the more expensive ones on the market.
I can't see for the life of me a set of LT1 valve covers fitting on an LS1 if it's really a "one P/N fits all" deal.
No way....
There's no way they'll work, unless they have a specific LS1 part, as the 87-up centerbolt Chevy valvecover is nothing like an LS1...
JMHO...
with Gen111 covers.First,what gasket will you use? I am sure that the Gen 11 cover wouldn't even fit on the Gen111 head.And I dont think the bolt spacing is the same either. Proform are probably made in china GOOD QUALITY!In this world you get what you pay for!There is no freebes...
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you are right, there is no similarity to the gen II valve covers.
Here's what I found on gen III valve covers for the LSX.
• Skigins Dickey wants $880 for their billet versions
• Ktech wants $560 for their tall cast covers
• GMPP makes a set for $800, but it only fits some discontinued C5R head and has no o-ring provision (like stock or any of these others)
• Found several “valve cover extenders” for around $300, that fit underneath stock LS1 units to make them taller (lame)
• www.NastyPerformance.com has these:

click to enlarge
Saw these on this www.ls1.tech.com forum thread: https://ls1tech.com/forums/sponsor-sales-specials/234151-98-05-custom-valve-covers-gp-280-a.html
He e-mailed me back the same day I found this info and PM'd him:
The fabbed ones are $300
Add for billet oil cap $40
Add for the engraving $50 (includes both covers)
Billet cover $350
Add for billet cap $40
Add for engraving $50
Thanks Nate
847-458-4858
NastyPerformance.com
Nate@NastyPerformance.com
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D Rock - yea, I am kinda leaning that direction myself. These valve covers are going on the LS1 in my BMW 3 series that has a welded/fabbed aluminum radiator and lots of welded brackets I built for the custom trans x-member, LS1 motor mounts, etc. It seems like the fabbed valve covers with visible welds might fit perfectly with the theme for this car.
-ch
http://www.vorshlag.com/fair/E36mounts_v2_04.jpg - note room to booster. Plenty of room now that I reloacted it all.
the NastyPerformance site is still up... from where I am looking. They never did list these valve covers on their site, but I think they still offer them.



