Engines and Components› Engine Covers, Pans and Dress-Up Components

Big End Performance

BILLET FILLER CAP KIT W/ ALUMINUM BUNG

$37.85

SKU: B01B 70350

In Stock
In Stock
Ships by Jun 14
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Big End Performance 70350 is a billet aluminum filler cap and bung designed for universal application. It is made from CNC machined 6061-T6 aluminum bar stock and can be used for various purposes, including valve cover oil fill, rear end filler, overflow tank cap, and dry sump tank cap.

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 70350

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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