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Wilwood

Wilwood Rotor Adaptor Floating - Sprint / Midget Hub 6x5.50 BC Gen II (3.37 x 2.28)

$281.40

SKU: W00B 300-12581

In Stock
In Stock
Ships by Jun 17
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Wilwood 300-12581 is a rotor adapter designed for Wilwood's GEN II Sprint/Midget inboard hubs. It features a unique mounting system with a 6 x 5.50” dynamic or fixed bolt pattern for rotor mounting.

Constructed from high-strength aluminum alloy, this adapter is anodized for corrosion and wear resistance. It is compatible with open-wheel applications and specific inboard hubs.

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

BrandWilwood
Part NumberW00B 300-12581

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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