Air and Fuel› Air Cleaners, Filters, Intakes and Components

Big End Performance

10AN TO 12AN BLUE FEMALE TO MALE EXPANDER

$16.03

SKU: B01B 12333

In Stock
In Stock
Ships by Jun 19
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Big End Performance 12333 is an expander fitting designed for plumbing applications. It allows you to easily adjust AN sizes, particularly when connecting to pre-welded fittings like those on a fuel cell. This fitting allows you to go up one AN size.

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

BrandBig End Performance
Part NumberB01B 12333

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.

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