SpeedFactory Racing Billet B-Series Breather Port Plug
SKU: 183278514

SpeedFactory Racing Billet B-Series Breather Port Plug

Sale price$26.09 Regular price$28.99
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12

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Description

SpeedFactory Racing Billet B-Series Breather Port PlugThe SpeedFactory Billet B Series Breather Port Plug was designed specifically for use on Honda Acura B Series engines to block off the OEM "black box" breather port. This allows you to utilize the (2) M28 threaded holes on the back of the engine block for your aftermarket oil catch can breather system, resulting in the proper crankcase ventilation your high performance engine needs. Precision CNC machined from 6061 T6 billet aluminum Black Anodized

The SpeedFactory Billet B-Series Breather Port Plug was designed specifically for use on Honda/Acura B-Series engines to block off the OEM "black box" breather port.

This allows you to utilize the (2) M28 threaded holes on the back of the engine block for your aftermarket oil catch can/breather system, resulting in the proper crankcase ventilation your high performance engine needs.

  • Precision CNC machined from 6061-T6 billet aluminum
  • Black Anodized finish adds durability and eliminates corrosion
  • Dual O-rings for a tight, leak free seal
  • Laser-etched SpeedFactory “SF” logo

Installation Notes: We recommend thoroughly cleaning the port in the block and the plug with brake parts cleaner prior to installation, and then liberally coating it with HondaBond or Permatex Ultra Grey and allowing it to cure for 24hrs before use. This will act both as lubricant to facilitate installation and then will setup and bond the plug into the block so that it does not blow out in the case of abnormally high crankcase pressures such as during the event of a piston failure.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 183278514

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Taj
Los Angeles, US
★★★★★ 3
Booo
Color: Pink, Size: Medium
Way too big for, I'm so bummed because this knit polo long sleeve shirt is way too big, even after I checked the size guide. It's a shame because the material feels pretty nice. I was really looking forward to wearing this. I can exchange it for a smaller size and that was too big. Lol
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Reviewed in the United States on February 19, 2026
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Me. Myself, and I.
Natrona Heights, US
★★★★★ 5
Nice shirt.
Color: Black, Size: XX-Large
Good neck height, not too high, firm neck grip without the choke feel. Clean look when wearing under an open shirt or looks good alone, Soft feel against the skin, and it washes well, no pulling or color fade. semi-form-fitting on the body, but not tight for the size. priced well.
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Reviewed in the United States on May 25, 2026
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Garrett
Fort Morgan, US
★★★★★ 5
T-Shirts
T-Shirts are very nice. They run small. Order 1 size up
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Reviewed in the United States on December 31, 2025
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Amazon Customer
Phoenix, US
★★★★★ 3
Mock turtle neck sagged and did not fit well.
Shirt is well made. Collar not so much. Sagged and did not fit well. Donated to Goodwill.
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Reviewed in the United States on April 29, 2026
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Richard T. Russell
Louisville, US
★★★★★ 5
A Difficult to Find T-Shirt
These T-Shirts are nice. A super difficult to find. The manufacturer calls it a mock-turtle neck (MTN). But the collar height is actually a bit shorter than the traditional MTN, which is great. It's closer to a regular T-Shirt that comes all the way to the neckline. And very somt a comfortable. This is the perfect style of T-Shirt to wear under a sportscoat, if desired. Or under a shirt where you want the T-Shirt to show for contrast. Just the right look.
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Reviewed in the United States on February 17, 2026

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