What is the purpose of main bearings in an engine?

Main bearings sit between the crankshaft and the engine block. Their primary job is to support the crankshaft, allowing it to rotate smoothly while maintaining precise oil clearances for lubrication and reduced friction.

What does 'H Series' mean for these Manley bearings?

The 'H Series' designation from Manley typically indicates a focus on enhanced durability and performance characteristics compared to standard bearings, making them suitable for engines that experience higher loads or RPMs.

Are these bearings suitable for a stock engine rebuild?

Yes, these Manley H Series bearings are well-built and can be used in a stock 4.6L Ford engine rebuild. They offer improved durability which is beneficial even in stock applications for long-term reliability.

Specifications

Brand: Manley Performance
Part #: 33120H
UPC: 807298107639

Manley Main Bearing, FORD MOD 4.6L MAIN BEARINGS H SERIES

Name: Manley Main Bearing, FORD MOD 4.6L MAIN BEARINGS H SERIES
Brand: Manley Performance
SKU: manley-performance-manley-main-bearing-ford-mod-4-6l-main-bearings-h-series-t14-881177
Price: 231.55 USD
Availability: BackOrder

$231.55

On Backorder

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

Manley H Series main bearings for Ford 4.6L engines. Built for durability in performance applications.

Key Features

Fits Ford Modular 4.6L engines.
Manley H Series main bearings.
Designed for durability in performance applications.
Essential for proper crankshaft support and oil clearance.

⚠️ 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 package contains a set of Manley H Series main bearings, specifically made for Ford Modular 4.6L engines. These bearings are a critical component for the health and performance of your engine's rotating assembly, ensuring the crankshaft spins smoothly within the engine block.

Manley has built these H Series bearings with durability in mind, suitable for engines that see more than just daily driving. The construction focuses on providing a solid foundation for your crankshaft, helping to manage the stresses that come with increased power or demanding use. When you're rebuilding the bottom end of your Ford 4.6L, a well-made set of main bearings like these is essential for proper oil clearance and long-term reliability.