NOS - 16221NOS
NOS Black T7075 aluminum 4AN-660 Bottle Nut Adapter
Nitrous Bottle Nut Adapter; -4AN-660; 7075 Aluminum; Black;
Holley products have been the undisputed leader in fuel systems for over 100 years. Holley carburetors power every NASCAR Sprint Cup team and every NHRA Pro–Stock champion. Holley's products include performance fuel pumps, fuel injection, intake manifolds, cylinder heads & engine dress–up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies, Hooker Headers, Flowtech Headers, NOS, Weiand, or Earl's, Holley products can give you the edge you need over the competition.
- Radius exit for maximum flow
- Black anodized finish for great looks and corrosion resistance
- Lighter weight versus chrome plated bottle nuts
- Fits 660-style bottle valves
- Made from 7075 aluminum for high strength and durability
- CGA #660 Internal Threads
- Available in -4, -6 & -8 AN sizes
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: Black
Emission Code: 4
Finish: Anodized Black
Fitting Attachment 1: Female Threads
Fitting Attachment 2: Male Threads
Material: 7075 Aluminum
Product Type: Nitrous Bottle Nut Adapter
