RB N54/N55 5/16" Thick Head Flange with Inserts

RB Turbo
In stock


These flanges are designed with true tapered inlets and backside stress channels (as they were from the OEM's). They are a 7 piece design (single main 5/16" thick flange, six exhaust runner inserts with locators for 1 1/4” Schedule 10 Weld Els). Unlike competitive products priced comparably and made from cheap material, these are billet machined from 100% 304/304L material (with certs). The proclaimed flange of choice for many educated N54/N55 turbo manufacturers and DIY'ers. Much engineering time, much quality, and much ingenuity is in these flanges all at a great price. Please note we have an identical flange kit but with a twin interface available as well at a slight cost savings.
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We have a 30-day return policy on all items, which means you have 30 days after receiving your item to request a return. To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. To start a return, you can contact us at If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted. You can always contact us for any return question at Damages and issues Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right. Exceptions / non-returnable items Certain items cannot be returned, Burger Motorsports does not allow returns, custom products (such as special orders or personalized items). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item. Unfortunately, we cannot accept returns on sale items or gift cards. Exchanges The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item. Refunds We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.

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