What does 'STD' size mean for these bearings?

STD stands for standard size. This means the bearings are designed to fit your engine's original crankshaft journals without requiring any machining, assuming the journals are still within factory specifications and not worn beyond tolerance.

Are these bearings suitable for a high-performance engine build?

These bearings feature a lead-free composite ideal for low to medium-load engines. For high-performance or racing applications, you may want to consult King Engine Bearings' performance line for bearings designed for more extreme conditions.

What is the benefit of a lead-free composite material?

The lead-free composite is an environmentally safe material that King uses in its bearing construction. It's designed to offer reliable performance, especially in applications where the engine isn't subjected to the highest possible loads.

Specifications

Brand: King Engine Bearings
Part #: MB4016AM
UPC: 611500311000

King Engine Bearings Mitsubishi 181CI 3.0L 6G72 V6 Main Bearing Set - Size STD

Name: King Engine Bearings Mitsubishi 181CI 3.0L 6G72 V6 Main Bearing Set - Size STD
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-mitsubishi-181ci-3-0l-6g72-v6-main-bea-t14-285677
Price: 20.70 USD
Availability: BackOrder

$20.70

On Backorder — Expected to ship by Apr 26, 2026

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 1991-1999 Mitsubishi 3000GT. Standard size main bearing set for your 3.0L V6 engine. Built with lead-free composite for reliable performance.

Key Features

Fits 1991-1999 Mitsubishi 3000GT, 1991-1996 Dodge Stealth, 1992-1995 Mitsubishi Diamante, and 2001 Hyundai XG300.
Standard (STD) size main bearing set for the 181 cubic inch, 3.0L 6G72 V6 engine.
Constructed with a bi-metal aluminum material for durability.
Features a lead-free composite surface, making it environmentally safe.
Ideal for low to medium-load engines, offering reliable performance for your vehicle.
From King Engine Bearings, a specialist in bearing manufacturing since 1960.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

If you're rebuilding the bottom end of your 1991-1999 Mitsubishi 3000GT, getting the main bearings right is crucial. These King Engine Bearings are designed for the 181 cubic inch, 3.0L 6G72 V6 engine, ensuring a proper fit for your rebuild project.

King has been specializing in bearings since 1960, and this set is made with a bi-metal aluminum material. It features a lead-free composite that's environmentally safe and ideal for engines that aren't under extreme load. This means you get a well-built bearing that's suited for the demands of your 3000GT's V6.

When you're putting your engine back together, using bearings from a specialist like King helps ensure a smooth-running and reliable powerplant. These are a standard size (STD) set, meaning they're meant to replace your original bearings without needing any machine work, assuming your crankshaft journals are in good condition.