What is the main function of crankshaft main bearings?

Crankshaft main bearings are crucial components that sit between the crankshaft and the engine block. Their primary job is to support the rotating crankshaft, reduce friction, and absorb the loads generated during engine operation, allowing the crankshaft to spin smoothly.

Are these bearings a direct fit for my 1972 Dodge Challenger 360 V8?

Yes, this ACL 5M1051A-10 main bearing set is specifically designed for the 1971-1974 Dodge Challenger with the V8 360 engine, so it should be a direct fit for your 1972 model.

What other parts are typically replaced when installing new main bearings?

When replacing main bearings during an engine rebuild, it's common practice to also replace the connecting rod bearings (rod bearings), piston rings, and engine gaskets. It's also a good time to inspect the crankshaft for any damage or wear.

Specifications

Brand: ACL
Part #: 5M1051A-10

ACL Chrysler Prod. V8 360 1971-73 Engine Crankshaft Main Bearing Set

Name: ACL Chrysler Prod. V8 360 1971-73 Engine Crankshaft Main Bearing Set
Brand: ACL
SKU: acl-acl-chrysler-prod-v8-360-1971-73-engine-crankshaft-main-bearing-set-t14-632830
Price: 37.20 USD
Availability: BackOrder

$37.20

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Fits 1971-1974 Dodge Challenger. ACL engine crankshaft main bearing set for V8 360 engines, crucial for smooth crankshaft operation.

Key Features

Fits 1971-1974 Dodge Challenger, 1971-1973 Chrysler Newport, 1973 Dodge Charger, and 1971-1974 Dodge Dart.
Designed for Chrysler V8 engines with a 360 cubic inch displacement.
Supports the crankshaft, reducing friction and wear within the engine block.
Well-built to handle the operational demands of a V8 engine.
Essential component for engine rebuilding and repair projects.
Ensures proper clearance for oil lubrication of the crankshaft journals.

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About this part

Product Details

You get a full set of ceramic pads and slotted rotors in this kit, which means one box handles the whole brake job. This is a crankshaft main bearing set from ACL, designed for Chrysler V8 engines with a 360 cubic inch displacement, specifically covering the 1971 through 1973 model years. These bearings sit between the crankshaft and the engine block, supporting the rotating assembly and ensuring it spins freely with minimal friction. When you're rebuilding or repairing your engine, getting these right is key to a long-lasting, smooth-running motor.

ACL has been making engine bearings for a long time, and this set is built to meet the demands of your V8. They're made to handle the pressures and heat generated by a performance engine, helping to prevent premature wear and potential engine damage. Installing new main bearings is a critical step in any engine overhaul, and using a well-built set like this from ACL helps ensure your engine rebuild is done right the first time. They are sized to fit precisely within the engine block's main journals, providing the correct clearance for oil film to cushion the crankshaft.

This set is designed for the 360 V8 engine found in various Chrysler, Dodge, and Plymouth vehicles from the early 70s. Make sure to check the fitment details to confirm it matches your specific application. When you're deep into an engine project, having reliable parts like these bearings makes all the difference.