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Exterior Components› Body Panels and Components
King Engine Bearings
King Engine Bearings Nissan/Infiniti VK45 - VK50 - VK56 Main Bearing Set - Size STD
SKU: K006 MB5770SI
Easy — 1–2 hours
Overview
These SI-Series main bearings are recommended for performance engines with factory crankshafts and feature an improved crankshaft finish to reduce microscopic peaks. They also offer improved oil clearance to reduce wear, increase engine life, and minimize operating noise, vibration, and excess oil flow.
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Part #: MB5770SI
We are bearing specialists. King Engine Bearings was founded in 1960 with one simple objective: to supply the highest quality bearings available in the marketplace. By specializing in engine bearings, King has built an extensive product offering that incl
Features:
- Bi-metal Aluminum Material
- Ideal for medium-load engines
- Lead Free Enviromentally Safe Composite
MAIN BEARING SET For NISSAN VK45DD/E, VK50VE, VK56DE/VD
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | King Engine Bearings |
| Part Number | K006 MB5770SI |
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Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
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