What is the primary function of main bearings in an engine?

Main bearings are crucial components that support the crankshaft within the engine block. They create a low-friction surface that allows the crankshaft to rotate smoothly and efficiently, which is essential for overall engine operation and longevity.

What material are these Manley main bearings made from?

These Manley main bearings are constructed from an aluminum alloy. This material is chosen for its ability to manage heat effectively within the bearing surfaces, contributing to consistent performance.

Are any special tools or procedures required for installation?

Installation of main bearings requires careful attention to detail and specific procedures outlined in the vehicle's service manual. This typically includes proper cleaning of the crankshaft and block surfaces, correct bearing alignment, and precise torque specifications for the main caps.

Specifications

Brand: Manley Performance
Part #: 33140H

Manley 91-10 Ford Mustang 4.6L Series Windsor Aluminum Main Bearing

Name: Manley 91-10 Ford Mustang 4.6L Series Windsor Aluminum Main Bearing
Brand: Manley Performance
SKU: manley-performance-manley-91-10-ford-mustang-4-6l-series-windsor-aluminum-main-b-t14-634985
Price: 234.64 USD
Availability: BackOrder

$234.64

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Manley 91-10 Ford Mustang 4.6L Series Windsor Aluminum Main Bearing. Direct fit for improved engine reliability.

Key Features

Fits 1991-2010 Ford Mustang 4.6L Series Windsor engines.
Aluminum alloy construction for good heat management.
Supports the crankshaft for smooth engine operation.
Manley Performance part number 33140H.

This Manley main bearing is designed for 1991-2010 Ford Mustang models with the 4.6L Series Windsor engine. Always confirm compatibility with your specific vehicle's engine configuration.

⚠️ 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

This is a Manley 4.6L Series Windsor Aluminum Main Bearing, designed specifically for 1991-2010 Ford Mustangs equipped with the 4.6L engine. Main bearings are a critical part of your engine's rotating assembly, supporting the crankshaft and ensuring it spins smoothly within the engine block. When rebuilding or refreshing a 4.6L Windsor engine, choosing a well-built main bearing set like this one from Manley is important for long-term reliability.

Manley has a solid reputation for producing strong internal engine components, and these main bearings are no exception. They are constructed from aluminum alloy, which offers good thermal conductivity and helps manage heat within the bearing surfaces. This material choice, combined with Manley's manufacturing standards, helps ensure consistent performance and durability for your engine's crankshaft support. Proper installation is key, so always refer to the manufacturer's service manual for detailed instructions and torque specifications.