Stop wrestling with ill-fitting generic flanges — this precision-machined 65mm billet 10AN turbo drain flange mid frame solution from BSI Inc. is built to fit right the first time.

Why Builders Across North America Choose This Flange

• Precision 65mm bolt pattern: Matched specifically to mid-frame and large-frame turbocharger drain ports, so you are not shimming, adapting, or hoping for the best on install day.
• Direct 10AN male port: The integrated 10AN port connects straight to your oil drain line, with no extra fittings, no additional leak points, and no wasted time sourcing adapters.
• Billet construction: Cut from billet for superior strength with a precision-machined sealing surface at the drain port face.
• Mid-frame and large-frame versatility: Built for larger frame turbocharger applications, including street performance rigs, track cars, and boosted diesel haulers.
• Canadian-made by BSI Inc.: Manufactured in Canada and stocked for fast shipping across Canada and the United States.

Build it right, seal it right, and keep your oil where it belongs — in the engine.

FAQ

What turbochargers is this flange designed for?

This flange is matched specifically to mid-frame and large-frame turbocharger drain ports with a 65mm bolt pattern.

What oil drain line connection does it use?

It has an integrated 10AN male port that connects directly to your oil drain line.

Is this flange billet or cast?

It is cut from billet with a precision-machined sealing surface at the drain port face.

Where is this turbo drain flange made?

This flange is manufactured in Canada by BSI Inc.