Holley needle and seat O-ring???

Eman · 09-12-2019, 05:48 PM

Anyone have a part # or a size for the o-ring that goes on the needle and seat assembly on a Holley 4150 style carburetor? Some said it was a 008 o-ring so I bought some but they don't seem as thick or stand out of the groove as much as the factory o-rings. Looked all over and cannot find a Holley part # or spec. Holley sells them with the kit that has the hex,screw and gaskets but I can't find them separate.

Ralph A Powell · 09-12-2019, 06:23 PM

The material they use is very important with today's fuel.

Chevy55 · 09-12-2019, 06:24 PM

https://allcarbs.com/product/needle-and-seat-o-ring/

Eman · 09-12-2019, 08:25 PM

Quote:

Originally Posted by Ralph A Powell

The material they use is very important with today's fuel.

I believe it might be made of unobtanium.

BillK · 09-12-2019, 10:50 PM

I am almost certain they are in the catalog, I will look in the AM. AED probably has them too.

Rod Greene · 09-12-2019, 11:03 PM

Quote:

Originally Posted by BillK

I am almost certain they are in the catalog, I will look in the AM. AED probably has them too.

https://blp.com/cart/index.php?main_...ort=20a&page=4

BLP sells them. You might look into their needle and seats also they are superior to holleys.

BillK · 09-13-2019, 06:54 AM

Well I lied . . . . dont see them anywhere in the Holley catalog or the big illustrated parts book I have

Eman · 09-13-2019, 09:18 AM

I spent almost 1 hr on the phome with Holley, mostly on hold. The guy was pretty good but they don't list them or sell them separate. He did give me the dimensions. ID .171-181 OD .310 thickness .067-.073. I ordered some from the outside supplier.

Thanks to everyone for the help.

Dave Gantz · 09-13-2019, 11:19 AM

I like Chevy55's link.

09-12-2019, 05:48 PM	#1
Eman Member Join Date: May 2014 Location: E TN Posts: 468 Likes: 16 Liked 133 Times in 76 Posts	Holley needle and seat O-ring??? Anyone have a part # or a size for the o-ring that goes on the needle and seat assembly on a Holley 4150 style carburetor? Some said it was a 008 o-ring so I bought some but they don't seem as thick or stand out of the groove as much as the factory o-rings. Looked all over and cannot find a Holley part # or spec. Holley sells them with the kit that has the hex,screw and gaskets but I can't find them separate.

09-12-2019, 06:23 PM	#2
Ralph A Powell Member Join Date: Oct 2017 Location: Bay City Texas Posts: 387 Likes: 2 Liked 225 Times in 136 Posts	Re: Holley needle and seat O-ring??? The material they use is very important with today's fuel.

09-12-2019, 06:24 PM	#3
Chevy55 Banned Join Date: Nov 2014 Posts: 324 Likes: 625 Liked 179 Times in 89 Posts	Re: Holley needle and seat O-ring??? https://allcarbs.com/product/needle-and-seat-o-ring/

09-12-2019, 10:50 PM	#5
BillK Member Join Date: Nov 2005 Location: Waldorf Md Posts: 230 Likes: 12 Liked 30 Times in 17 Posts	Re: Holley needle and seat O-ring??? I am almost certain they are in the catalog, I will look in the AM. AED probably has them too. __________________ Bill Koustenis

09-13-2019, 06:54 AM	#7
BillK Member Join Date: Nov 2005 Location: Waldorf Md Posts: 230 Likes: 12 Liked 30 Times in 17 Posts	Re: Holley needle and seat O-ring??? Well I lied . . . . dont see them anywhere in the Holley catalog or the big illustrated parts book I have __________________ Bill Koustenis

09-13-2019, 09:18 AM	#8
Eman Member Join Date: May 2014 Location: E TN Posts: 468 Likes: 16 Liked 133 Times in 76 Posts	Re: Holley needle and seat O-ring??? I spent almost 1 hr on the phome with Holley, mostly on hold. The guy was pretty good but they don't list them or sell them separate. He did give me the dimensions. ID .171-181 OD .310 thickness .067-.073. I ordered some from the outside supplier. Thanks to everyone for the help.

09-13-2019, 11:19 AM	#9
Dave Gantz Senior Member Join Date: Nov 2005 Location: Verrry South Jersey Posts: 537 Likes: 134 Liked 251 Times in 125 Posts	Re: Holley needle and seat O-ring??? I like Chevy55's link.