SKU: 63050397307

King Engine Bearings Main Bearing Set (MB7008XP STDX)

Sale price$113.13 Regular price$125.70
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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27

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Description

King Engine Bearings Main Bearing Set (MB7008XP STDX)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
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 63050397307

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Richard Borrelli
Bozeman, US
★★★★★ 4
Bathroom shelf
Color: Rustic Brown
Shelf will do the job where you have limited space. I do not like the waal anchors. They will leave a hole in the wall you might be able to crawl through.
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Reviewed in the United States on December 26, 2025
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Lisa Christman
Waukegan, US
★★★★★ 5
⭐️⭐️⭐️⭐️⭐️ Sturdy & Stylish!
Color: White
These floating shelves are perfect! The wood looks rustic and beautiful, the guardrail keeps items secure, and installation was quick and easy. They’re sturdy, functional, and add the perfect farmhouse touch to my bathroom. Highly recommend!
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Reviewed in the United States on October 4, 2025
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Sullie
Charlottesville, US
★★★★★ 5
Great little product
These are nice. They look really good. Nice metal accents with real wood. These are great. They went together pretty easily too. Anyone could do it. The only complaint I had about these is that I had to predrill the holes because they had not gone deep enough at the factory. They had small dimples where the screws were supposed to go. I had to make them actual holes with my drill. Not too bad though. Other than that they are awesome. You could even lightly sand and paint these to be any color you wanted. The metal brackets would pop right out and could be easily reinstalled after the paint dried. I like them a lot. They might be a bit smaller than I had imagined but they are as advertised. If you line up 3 rolls of TP that’s about exactly how big they are. Hope that helps. Take care.
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Reviewed in the United States on February 27, 2024
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David monn
Natrona Heights, US
★★★★★ 5
Well built
Color: Rustic Brown
Very nice shelving. We remodeled our bathroom and they fit perfect behind toilet
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Reviewed in the United States on May 14, 2026
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XXBrownXX
Boise, US
★★★★★ 3
Damaged Product
Color: White
Item has some parts of the board being damaged. The quality of the wood is not good. Very disappointed.
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Reviewed in the United States on February 15, 2026

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