Need help with valve covers

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Jan 28, 2003 | 05:29 AM

87IROC350

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Joined: Mar 2000

Posts: 409

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From: Land O Lakes, FL

Engine: 5.7

Transmission: 700R4

Axle/Gears: 3.27

Need help with valve covers

End of last year I read an article that was mentioned new centerbolt tall valve covers that were made by GM. I am having problems finding the article for the part numbers.

Can anyone help?

Jan 28, 2003 | 01:32 PM

badgta

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Joined: May 2002

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From: KY

Car: 1991 FORMULA

Engine: ZZ4 + LT4 HT CAM 430HP

Transmission: 700-R4 COMING T56

Axle/Gears: 9" 4.56's (COMING)

yep

they are made by proform for gm

go here https://www.spoperformanceparts.com/...html?CATID=624

Jan 28, 2003 | 07:07 PM

87IROC350

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Member

Joined: Mar 2000

Posts: 409

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From: Land O Lakes, FL

Engine: 5.7

Transmission: 700R4

Axle/Gears: 3.27

Nice, it says for Gen I & II engines I assume they will work on ours engines w/ centerbolts.

Anybody tried these or have feedback on the product? Wow a little pricy also $120-$150 on GMparts.com

12497985 12497985 — Cover, Valve Aluminum Chrome Finish (Center Bolt Design)
These die cast aluminum valve covers have a chrome finish. They are used on all 1986 and newer Gen I and 2 engines with center hold down design. They are approximately 1/4 inches taller than production covers.
Technical Notes: Use rocker cover gasket P/N 10046089 and replacement bolt and seal in kit P/N 12497980. (The kit includes two valve covers, eight bolts, washers, and seals.)