King Engine Bearings MB5013XP Main Bearings for GM LS1/LS3/LS6 V8 Engines

Regular price: $172.95
Regular price
Sale price: $172.95

Shipping calculated at checkout.

In Stock: 38

Orders by 1pm PST ship same business day

Free Shipping w/3-4 Day Delivery

Authorized Dealer

Fitment Guarantee

30-Day Hassle Free Returns

Product Specification:

SKU:KINGMB5013XP

MPN: MB5013XP

UPC: 611500531422

Weight: 1.4 lb

Inventory: 38

Type: Bearings

Vehicle Fitment

1997-2014 Chevrolet Corvette (LS-Series/LS-Based V8 Engines)
1998-2002 Chevrolet Camaro Z28 (LS1 5.7L V8)
2010-2015 Chevrolet Camaro SS/ZL1 (LS3/LS9 V8)
2009-2015 Cadillac CTS-V (LS-Based High-Output V8)
1999-2016 Chevrolet Silverado/GMC Sierra (LS-Series V8)
2002-2016 Chevrolet Express/GMC Savana (LS-Series V8)
2005-2013 Chevrolet Corvette (Various LS Configurations)

Features

King XP-Series high-performance crankshaft main bearings
pMaxBlack™ tri-metal overlay for superior load capacity
Optimized SecureBond™ adhesion for strong layer integrity
"Bull's Eye Tolerance" for matched shell-to-shell consistency
1/2 groove design for improved oil flow
Enhanced fatigue resistance for racing and high RPM use
Compatible with forged crank and performance builds
Designed for GM LS1, LS3, LS6, LS9 and other LS-Series engines

Specifications

Part Number: MB5013XP
Brand: King Engine Bearings
Series: XP-Series Performance Main Bearings
Material: Tri-metal copper-lead-nickel with pMaxBlack™ overlay
Engine Fitment: GM Gen III/IV LS-Series V8 engines
Quantity: 5 pairs (full main bearing set)
Groove Style: Upper 1/2 groove for enhanced lubrication
Installation: OEM-style direct replacement for main journals

Included Components

5x Pair King XP-Series Main Crankshaft Bearings (Standard Size)

Product Description

The **King Engine Bearings MB5013XP** main bearing set is engineered for **GM LS-Series V8 engines**, including popular performance platforms like the **LS1, LS3, LS6, and LS9**. Featuring King's **XP-Series pMaxBlack™ tri-metal overlay construction**, this bearing set is built to handle extreme load and RPM conditions - making it well-suited for high-performance street engines, race builds, and heavy-duty applications.

These bearings deliver enhanced **fatigue resistance and load capacity**, thanks to the proprietary pMaxBlack™ harder overlay and optimized metallurgical bonding. With precision wall thickness control ("Bull's Eye Tolerance") and enlarged oil passages, the MB5013XP set helps ensure reliable lubrication and stable hydrodynamic performance under demanding conditions. Designed as a **direct replacement for GM LS-Series crankshaft main journals**, this set is ideal for rebuilds, performance upgrades, and engines equipped with forged internals.