King MB5770SI Main Bearing Set for Nissan/Infiniti VK45/VK50/VK56 V8 Engines

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Product Specification:

SKU:KINGMB5770SI

MPN: MB5770SI

UPC: 611500584916

Weight: 0.9 lb

Type: Bearings

Vehicle Fitment

2003-2008 Infiniti FX45 4.5L V8 (VK45DE)
2009-2013 Infiniti FX50 5.0L V8 (VK50VE)
2003-2010 Infiniti M45 4.5L V8 (VK45DE)
2011-2013 Infiniti M56 5.6L V8 (VK56VD)
2002-2006 Infiniti Q45 4.5L V8 (VK45DE)
2014-2019 Infiniti Q70 5.6L V8 (VK56VD)
2014-2014 Infiniti QX70 5.0L V8 (VK50VE)
2004-2010 Infiniti QX56 5.6L V8 (VK56DE)
2011-2023 Infiniti QX80 5.6L V8 (VK56VD)
2004-2015 Nissan Armada 5.6L V8 (VK56DE)
2017-2024 Nissan Armada 5.6L V8 (VK56VD)
2012-2016 Nissan NV2500/NV3500/NV Passenger 5.6L V8 (VK56DE)
2017-2021 Nissan NV2500/NV3500/NV Passenger 5.6L V8 (VK56VD)
2010-2016 Nissan Patrol 5.6L V8 (VK56DE)
2008-2012 Nissan Pathfinder 5.6L V8 (VK56DE)
2004-2015 Nissan Titan 5.6L V8 (VK56DE)
2017-2024 Nissan Titan 5.6L V8 (VK56VD)

Fitment Notes

Standard size (STD) -- for stock, non-machined crankshafts
Also covers VK45DD direct-injection variant of the VK45DE (specific model applications not independently confirmed)
Non-US Nissan Patrol VK56VD applications not confirmed -- international market data not available in current sources
Bimetal aluminum-silicon construction recommended for nodular cast iron crankshafts
Best suited to medium-load engine applications

Features

Bi-metal aluminum base strengthened with 2.5-3% silicon
Bull's Eye Tolerance precision manufacturing process
Engineered for the demanding tolerances of aviation and racing industries
Wider range of undersizes and material options than OE
Set of 5 bearing pairs for complete main bearing coverage
Designed for medium-load engine builds and nodular cast iron crankshaft applications

Specifications

Size: STD (standard)
Material: Bimetal, aluminum-silicon base (SI)
Silicon content: 2.5-3%
Set composition: 5 pairs
Bearing type: Main bearing set

Included Components

1x Set of main bearings (5 pairs)

Product Description

The King MB5770SI is a standard-size main bearing set engineered for Nissan and Infiniti's VK45/VK50/VK56 V8 engine family, covering the VK45DE, VK45DD, VK50VE, VK56DE, and VK56VD variants used across a wide range of Nissan and Infiniti sedans, SUVs, and full-size vans. King's bimetal SI material blends aluminum with 2.5-3% silicon, giving the bearing added strength that's particularly well suited to medium-load engine builds and applications using nodular cast iron crankshafts.

Manufactured using King's Bull's Eye Tolerance precision process, this set brings the same exacting standards King applies to its aviation and racing bearing lines to a full rebuild or standard maintenance job on these VK-family engines. Whether replacing worn factory bearings during routine service or building up a block for a performance application, accurate, properly toleranced main bearings are essential to protecting the crankshaft and maintaining oil pressure.

This standard-size set is intended for use with stock, non-machined crankshafts. For engine builders working with a reground or undersized crank, King offers this bearing in additional undersize options beyond what most OE-equivalent bearings provide.