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T3 to T4 Turbo Adapter Flange 3/4" Thick Stainless Steel Manifold Transition
OBX Racing Sports F11304SS stainless steel T3 to T4 turbo adapter flange. This is a heavy-duty transition flange for custom turbo manifold and exhaust fabrication, with a measured thickness of approximately 0.75" and an outer T4 bolt pattern of 3.25" x 2.75" center to center.
- OBX Racing Sports part number: F11304SS
- T3 to T4 turbo manifold / exhaust transition flange
- Stainless steel construction with machined finish
- Measured thickness: approx. 0.75"
- Measured overall size: approx. 4.20" x 3.75"
- Measured T4 bolt pattern: 3.25" x 2.75" center to center
- Measured bare flange weight: approx. 2.06 lb
- Counterbored mounting holes
- Variation option available with M8 turbo flange hardware kit
What you are buying: One flange only - unless you select the hardware option in the variation dropdown. The optional hardware kit includes 4 studs and 8 serrated flange nuts.
Please note: this is a universal fabrication part. Verify your measurements, bolt pattern, port shape, and intended application before ordering. We photographed and measured the actual part style shown. Because this is a fabrication component, professional installation and fitment verification are recommended.
If you've got questions before ordering, hit the Ask a Question button below.
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DEALS Current Deals: Discounts on select items while inventory lasts. View Deals
Shipping & Handling
We ship fast and we ship carefully.
- Orders are inspected, packaged, and ship same day or next business morning.
- Orders placed after 5:00 PM Central ship the following business day.
- Orders placed Friday after 1:00 PM Central are packaged and ready, with carrier pickup on Monday.
- Tracking uploads automatically as soon as your order ships.
- We ship via FedEx, UPS, or USPS depending on size and destination.
Custom Orders & Deals
We can create package deals for multiple items. Message us with what you?re trying to build.
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Details & Notes
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- Hardware/accessories are included only if shown or stated.
- Please verify measurements, specifications, and fitment before purchasing.
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