Fasteners› Bulk Fasteners

Allstar Performance

Tube Nuts Alum -4AN 20pk

$37.22

SKU: A02M ALL50321-20

In Stock
In Stock
Ships by Jun 13
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Allstar Performance ALL50321-20 is a fitting designed for making hard line connections to male AN fittings. It is a tube nut with a 4 AN size and is intended for use with 1/4 inch tubing. These fittings are constructed from aluminum and feature a black anodized finish. This product is sold as a pack of 20.

To ensure a proper seal, the connecting line requires a 37-degree flare.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandAllstar Performance
Part NumberA02M ALL50321-20

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy