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Description
Tomei B/B Turbocharger Kit Arms KA24DECategory Engine Parts Number KA24DE BX7960 KA24 TB403A NS16C KA24DE BX8270 KA24 TB403A NS16D KA24DE HARDWARE PACK KA24 TB403A NS16PK PART NUMBER TB403A NS16C TB403A NS16D TB403A NS16PK TARGET HP (HP) 400 450 450 BEARING TYPE Ball Bearing Ball Bearing Ball Bearing INITIAL BOOST SETTING (kgf cm2) 1 1 1 COMPRESSOR WHEEL IND(mm) 52. 6 59 59 EXD(mm) 68 76. 2 76. 2 Trim 60 60 60 Blades 6 6 6 6 6 6 Material A2618 A2618 A2618 Production CNC BILLET CNC BILLET
| Category | Engine | Parts Number |
| KA24DE BX7960 | KA24 | TB403A-NS16C |
| KA24DE BX8270 | KA24 | TB403A-NS16D |
| KA24DE HARDWARE PACK | KA24 | TB403A-NS16PK |
| PART NUMBER | TB403A-NS16C | TB403A-NS16D | TB403A-NS16PK |
| TARGET HP (HP) | 400 | 450 | 450 |
| BEARING TYPE | Ball Bearing | Ball Bearing | Ball Bearing |
| INITIAL BOOST SETTING (kgf/cm2) | 1 | 1 | 1 |
| COMPRESSOR WHEEL | |||
| ⒶIND(mm) | 52.6 | 59 | 59 |
| ⒷEXD(mm) | 68 | 76.2 | 76.2 |
| Trim | 60 | 60 | 60 |
| Blades | 6/6 | 6/6 | 6/6 |
| Material | A2618 | A2618 | A2618 |
| Production | CNC BILLET | CNC BILLET | CNC BILLET |
| TURBINE WHEEL | |||
| ⒶIND(mm) | 61 | 67 | 67 |
| ⒷEXD(mm) | 54 | 58.8 | 58.8 |
| Trim | 79 | 77 | 77 |
| Blades | 9 | 9 | 9 |
| Material | K418 | K418 | K418 |
| Production | CAST | CAST | CAST |
| COMPRESSOR HOUSING | |||
| IND(mm) | 53.5 | 60 | 60 |
| EXD(mm) | 38.75 | 38.5 | 38.5 |
| A/R | 0.62 | 0.62 | 0.62 |
| TURBINE HOUSING | |||
| IND(mm) | T25 | T25 | T25 |
| EXD(mm) | SR20DET | SR20DET | SR20DET |
| A/R | 0.57 | 0.57 | 0.57 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Direct Fit and good quality
Color: Single Slat Gloss Black, Size: 2002-2005 E46
For anyone that has owned an E46 knows that even the stock kidney grills are brittle plastic. This aftermarket is about the same quality as stock. It is a direct fit and has the clips where they are supposed to be to keep them in place. The look is also pretty nice. This one is all black and actually looks nice on my black E46. I would recommend especially for the price and shipping was fast.
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Reviewed in the United States on August 29, 2025
★★★★★ 5
Easy install
Color: Single Slat Gloss Black, Size: 2023+G20
Fits well. Made of plastic but very easy install.
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Reviewed in the United States on March 19, 2026
★★★★★ 1
I should have read all the other reviews ...
Color: Single Slat Gloss Black, Size: 2010-2013 E92, Color: Single Slat Gloss Black, Size: 2010-2013 E92
I read all the bad reviews, but I gave it a shot anyways
Tabs wont clip in place and fitment is slightly off.
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Reviewed in the United States on May 1, 2026
★★★★★ 5
Worth it
Color: Single Slat Gloss Black, Size: 2006-2009 E92
For perfect and looks great
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Reviewed in the United States on February 5, 2026
★★★★★ 5
Very nice quality
Color: Single Slat Gloss Black, Size: 2019-2022 G20
I have a 2022 330i bmw and it fit perfectly! Looks just like photos online and delivered quick!
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Reviewed in the United States on August 27, 2025