SKU: 49886289216

King Engine Bearings Main Bearing Set (MB5566XPSTDX)

Sale price$60.48 Regular price$67.20
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Description

King Engine Bearings Main Bearing Set (MB5566XPSTDX)Todays sport compact race engines make more power than ever before. Yesterdays engine bearings load capacity no longer works for todays sport compact race engines. Tomorrows engines will be even more powerful. King bearings meet these demands with higher performance benchmarks, advanced materials and unique geometrical features. King Racings SV, GPC, XP, and XPC series of rod and main bearings were developed to meet these challenges through

Today’s sport compact race engines make more power than ever before. Yesterday’s engine bearings’ load capacity no longer works for today’s sport compact race engines. Tomorrow’s engines will be even more powerful.

King bearings meet these demands with higher performance benchmarks, advanced materials and unique geometrical features.
King Racing’s SV, GPC, XP, and XPC series of rod and main bearings were developed to meet these challenges through technologically advanced geometrical features and a unique metal structures. Together, they drive the industry to a higher level of durability, performance and expectation.

pMax Black is a unique tri-metal structure the has been developed to meet the ongoing demand for bearings with increased load capacity. As engines evolve and gain more power, engine bearings have to be able to handle the extra loading.

pMax Black consists of three layers that come together to form the strongest tri-metal bearing in the industry with load capacity exceeding the competition by as much as 24%. King Racing’s new hardening technology modifies the overlay molecular structure and creates a fatigue resisting shield.

The intermediate layer of a typical race bearing contains 2-3% tin, with hardness values of 90-95 HV. For a superior pMax Black intermediate layer, we increased the tin content to 4.5%, making it 22% harder (115 HV), with a load carrying capacity of 17,000 psi.

The overlay of a typical high performance bearing consists of a leaded alloy that contains 2-3% copper. It achieves a hardness level of 11 – 14 HV, and a maximum load capacity of 8,000-8,500 psi. King’s pMaxBlack overlay is significantly stronger than conventional overlays due to its 5% copper content and an innovative nano-scaled hardening process.

The pMaxBlack overlay contains 5% copper. It is further strengthened by a proprietary nano-scaled hardening process that modifies the molecular structure and creates a black fatigue-resistant shield. The outcome is a significant 29% increase in overlay hardness (18.1HV) and overall 24% increase in load capacity (10,200 psi).

SecureBond – Maximum tri-metal structural integrity

High loads and high RPM’s create critical stresses that travel through the multi-layer construction of a tri-metal race bearing. SecureBond is a micro-etch surface preparation process that strengthens the tri-metal structural integrity. SecureBond reduces the likelihood of catastrophic failure due to delamination of one layer from the other under extreme load conditions or metal–to-metal contact.

 



Check your bearing size using our fitment calculator here
Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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SKU: 49886289216

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jo
Draper, US
★★★★★ 5
air filter for Toyota
Item Package Quantity: 1
This air filter fits perfectly and is a good replacement product. It was easy to install and the price was right.
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Reviewed in the United States on May 16, 2026
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Jon
Phoenix, US
★★★★★ 5
Right parts, fair price, quick ship. Great sale.
Item Package Quantity: 1
All first rate parts that fit perfectly
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Reviewed in the United States on May 17, 2026
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nsantalu
Louisville, US
★★★★★ 4
Decent replacement filters with good airflow and odor control
Item Package Quantity: 3, Item Package Quantity: 3
The Puroma Cabin Air Filter with Activated Carbon is a solid, budget‑friendly option for routine vehicle maintenance. These are replacement filters, so they’re meant to be swapped out when dirty rather than cleaned, and they perform well for the price. Quality The overall build quality is good. The filter media feels consistent, and the activated carbon layer is evenly distributed. Instructions The instructions are straightforward and make installation simple, even if you haven’t replaced a cabin filter before. Odor The activated carbon helps reduce mild odors and keeps the cabin air fresher. It’s not a heavy‑duty deodorizer, but it does improve overall air quality. Ease of Use Installation is quick and easy. The filter slides into place without fighting the housing, and the fit is accurate. Dust Removal It captures dust, pollen, and everyday debris effectively. Airflow remains good after installation, and it performs as expected for a standard cabin filter. Ease of Cleaning Although you could vacuum the filters to potentially extend their life, cabin filters are not designed to be cleaned, they’re disposable and should be replaced when dirty. Value for Money For the price, you get a reliable filter that fits properly and offers good performance without overspending. Compatibility These cabin filters are compatible with many different makes and models. They fit my 2016 Tundra SR5 perfectly. A solid 4/5: a good, affordable replacement cabin filter with decent odor control and dust removal. Easy to install and works as intended for routine maintenance.
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Reviewed in the United States on April 5, 2026
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Amazon Customer
Belleville, US
★★★★★ 5
High quality, good price
Item Package Quantity: 2
Very good quality, half price of the OEM, fits perfectly. My second purchase, will buy this product again in the future.
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Reviewed in the United States on April 17, 2026
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kat1
Phoenix, US
★★★★★ 5
Great value! Always replace these yourself!
Item Package Quantity: 1
Purchased this after being quoted $100 by the dealer to replace the cabin air filter. You Tube video showed me exactly how to swap it out. 5 mins and very easy! I have a 2029 Subaru Outback and this worked great.
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Reviewed in the United States on April 19, 2026

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