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Ships within 48 hours · Estimated delivery Jul 21 - Jul 26
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Description
NOS 16220NOS NOS Nitrous Bottle Nut & WasherOverview: 4AN Nitrous Bottle Nut Adapter & Washer Features: Easy Installation Keeps Contaminants Out Application: Year Make Model Submodel Engine Size Universal Specs: A Side Type 660 Adapter AN Size ( B ) 4 AN MALE Adapter Size ( A ) 1 inch Adapter Size ( B ) 4 B Side 4AN Brand NOS Color Chrome Emission Code 5 Finish Chrome Fitting Attachment 1 Female Threads Fitting Attachment 2 Male Threads Material Brass Product Type Nitrous Bottle Nut & Washer
Overview:
-4AN Nitrous Bottle Nut Adapter & Washer
Features:
- Easy Installation
- Keeps Contaminants Out
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| Universal |
Specs:
| A Side | Type 660 |
|---|---|
| Adapter AN Size ( B ) | 4 AN MALE |
| Adapter Size ( A ) | 1 inch |
| Adapter Size ( B ) | -4 |
| B Side | 4AN |
| Brand | NOS |
| Color | Chrome |
| Emission Code | 5 |
| Finish | Chrome |
| Fitting Attachment 1 | Female Threads |
| Fitting Attachment 2 | Male Threads |
| Material | Brass |
| Product Type | Nitrous Bottle Nut & Washer |
| Warning | California Proposition 65 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 4
Checkpoint
Size: 10.5 Wide, Color: Navy Grainy Leather
Good shoes, comfortable.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Comfortable and stylish
Size: 12, Color: Black
I'm very pleased with these shoes. I rarely write reviews, but these are extremely comfortable and stylish. I bought a black pair and a brown paid. Many times I have to get a wide, but the standard size 12 fits me well. Easy to slip into, yet still snug while walking.
I feel like the price is reasonable too.
Good cushioning, not too thin of a sole.
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Reviewed in the United States on January 7, 2026
★★★★★ 3
Que no tiene pasadores para apretar el zapato
Size: 7 Wide, Color: Black/Black
Que viene en tallas pequeñas y pensé que venían con lazos y no fue así, el resto esta bien el peso muy conveniente
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Good looking shoe.
Size: 9 Wide, Color: Cognac
It's a good looking should which is true to size. Quality is good. However, it is not leather. Inner and outer covering are man made. For me, it's okay. I ordered a 9W which I knew would be no more than a triple E width. I'm actually a quadruple E width so it's taking a little longer to break in. I won't be using these as often as at this stage of my life, I don't have that have functions that require dressier shoes. I'm happy with this purchase, a good value for the price. The slip in feature works well like my Sketcher slip in.
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Reviewed in the United States on July 27, 2025
★★★★★ 5
Good shoes
Size: 8.5 Wide, Color: Cognac
Great shoes and very comfortable. Not very durable in my opinion. Good for dress or casual.
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Reviewed in the United States on March 27, 2026