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

Main bearings support the crankshaft within the engine block. They create a low-friction surface that allows the crankshaft to rotate smoothly while maintaining precise alignment.

Are these bearings a direct replacement for the factory ones?

Yes, these are standard size bearings, meaning they are designed to fit directly into the original crankshaft journals without requiring any machining services.

What makes the 'Race Series' different from standard bearings?

The Race Series bearings typically feature a more robust construction, often with a specialized tri-metal overlay. This design offers improved strength and durability to handle higher loads and temperatures often found in performance or rebuilt engines.

Specifications

Brand: ACL
Part #: 7M7989H-STD
UPC: 9315726250907

ACL 93-98 Toyota 6 4477cc Standard Size Race Series Main Bearing Set

Name: ACL 93-98 Toyota 6 4477cc Standard Size Race Series Main Bearing Set
Brand: ACL
SKU: acl-acl-93-98-toyota-6-4477cc-standard-size-race-series-main-bearing-set-t14-4378453
Price: 286.53 USD
Availability: BackOrder

$286.53

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1993-1997 Toyota Land Cruiser and 1996-1997 Lexus LX450 Race Series Main Bearing Set. Standard size for the 1FZ-FE engine.

Key Features

Fits 1993-1997 Toyota Land Cruiser and 1996-1997 Lexus LX450.
Designed for the 1FZ-FE 4476cc inline-6 engine.
Standard size replacement for proper fitment.
Features ACL's Race Series tri-metal overlay for improved strength and load capacity.
Helps reduce friction and wear on the crankshaft.

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About this part

Product Details

When you're rebuilding or refreshing the heart of your 1993-1997 Toyota Land Cruiser or 1996-1997 Lexus LX450, the main bearings are critical. These ACL Race Series main bearings are built for the 1FZ-FE 4476cc inline-6 engine, offering a standard size replacement that's up to the task. They play a vital role in supporting the crankshaft, ensuring it spins smoothly and stays properly aligned within the engine block.

ACL uses a specialized tri-metal overlay on these bearings, which is known for its strength and ability to handle higher loads and temperatures compared to stock components. This construction helps reduce friction and wear, especially important if your engine sees demanding use or has been modified. The standard size means they're designed to fit directly into the crankshaft journals without needing any machining, making them a straightforward choice for a rebuild.

For a complete engine build, make sure you have all the necessary components. It's always a good idea to consult your vehicle's service manual for the proper installation procedures and any other related parts you might need during your engine work.