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Valve Cover Adapter for Center Bolt Heads

Price:$89.99
VALVE COVER ADAPTER FOR CENTER BOLT HEADS
Price:
$89.99
PR
In Stock
Item #:
91017157
 
(8 Ratings)
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  • 91017157
    Overall Thickness
    0.375" (3/8")
    Gasket(s) Included
    Yes
    Hardware Included
    Yes
    Material Type
    Aluminum
    Finish
    Natural
    Sold in Quantity
    Pair
    Notes
    Made to mount "perimeter" style valve covers on '86-newer heads.

As you know, you can't run a stud girdle when using centerbolt valve covers. These handy adaptors simply bolt to your centerbolt heads which allows you to use standard valve covers and stud girdles. O-ring seal on head side. Use standard gasket on valve cover side. Has bolt holes to use with early '60-'86 "straight bolt" valve covers as well as '55-'59 staggered bolt valve covers.

We also carry adaptor plates (# 910-17145) to put '87 and newer center-bolt valve covers on '60-'86 heads.
 

Reviews for Item #: 91017157
REVIEWED BY 8 CUSTOMERS
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[ 2 of 3 customers found this review helpful ]
 

Great quality, fit perfect

By hotrod48 from Carthage TN on 4/3/2010
Pros:
Item design is good
Bottom Line: Yes, I would recommend this to a friend

Good quality designed product, help me run the valve covers I wanted too on the centerbolt heads I had.

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[ 3 of 3 customers found this review helpful ]
 

Very good product . Works as advertsed.

By Russ @ B.L.Machine from Anaheim, Ca. on 5/2/2010
Pros:
Good Looks, Quality, Simplicity
Best Uses:
Just adapt any cover
Bottom Line: Yes, I would recommend this to a friend

Works as advertised. Not like a lot of products nowdays. No gimmicks. Finally a product that you don't have to overhaul to use!

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[ 2 of 2 customers found this review helpful ]
 

Quality made item

By Herb the engine builder from Williamston, NC on 8/29/2010
Pros:
First quality item
Cons:
After market springs, Roller rockers and or, Will not work with some, Without modification
Best Uses:
Should work well with, Stock heads
Bottom Line: Yes, I would recommend this to a friend

Could not use them on the heads I am using without extensive modification.

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Valve cover adapters

By tw7256 from Rock kansas on 9/1/2010
Bottom Line: Yes, I would recommend this to a friend

I had to chamfer to clear my roller rocker arms.

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Valve Cover Adapter worked Great

By Mod9 from Tucson Az on 1/6/2011
Pros:
Bolted on as planned, Easy To Install, Lightweight
Car & Truck:
Competitive Driver
Best Uses:
Racing
Bottom Line: Yes, I would recommend this to a friend

I would buy this part again. Looks good and hides the center bolts on the valve covers

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Questions and Answers for Item #: 91017157

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4 Questions | 4 Answers
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Q:

CAN I RUN SHAFT MOUNT ROCKERS WITH THIS ADAPTOR ?

Asked on 1/11/2011 11:38:08 AM by from ORONOGO MO

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Q:

How thick is the adapter from bottom to top?

Asked on 6/17/2011 11:33:16 AM by from ORONOGO MO

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Q:

Good morning I just purchased these adapters and was wondering what the torque should be on the mounting nuts. thank you

Asked on 10/18/2011 1:37:01 AM by from ORONOGO MO

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Q:

does these spacers work on LT-1 also? Camaro -94 engine.

Asked on 2/14/2012 9:51:38 AM by from ORONOGO MO

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