What does 'undersize 0.020 inch' mean for these bearings?

This means the bearings are 0.020 inches smaller in diameter than standard. This size is used when the engine's crankshaft journals have been ground down (machined) to remove imperfections or wear. Using the correct undersize bearing ensures the proper oil clearance is maintained.

Are these bearings sold individually or as a set?

This is a set of connecting rod bearings. It includes all the bearings needed for the connecting rods on your 1798cc MG engine, allowing for a complete replacement during an engine rebuild.

What is the main function of connecting rod bearings?

Connecting rod bearings sit between the crankshaft and the connecting rod. Their primary job is to reduce friction and wear in this high-stress area, allowing the crankshaft to spin smoothly while transmitting power from the pistons.

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Trusted Since 1957

Est. 1957

ACL MG 4 1798cc 1965-80 Engine Connecting Rod Bearing Set

Specifications

Brand: ACL
Part #: 4B2250-020

ACL MG 4 1798cc 1965-80 Engine Connecting Rod Bearing Set

Name: ACL MG 4 1798cc 1965-80 Engine Connecting Rod Bearing Set
Brand: ACL
Price: 40.46 USD
Availability: InStock

$40.46

On Backorder

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Fits 1975-1980 MG MGB. ACL connecting rod bearings, 0.020 inch undersize, for the 1798cc engine. Essential for proper engine rebuild.

Key Features

Fits 1975-1980 MG MGB.
ACL brand connecting rod bearing set.
Designed for the 1798cc engine.
Set is 0.020 inch undersize for use with a machined crankshaft.
Helps reduce friction and wear in the engine's bottom end.

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Fits this vehicle

MG MGB 1975-1980

Product Details

You get a full set of connecting rod bearings in this kit, which means one box handles the whole engine rebuild. These are ACL brand bearings, specifically made for the 1798cc engine found in the 1975-1980 MG MGB. Connecting rod bearings are critical for smooth engine operation, as they sit between the crankshaft and the connecting rod, reducing friction and wear. When you're rebuilding an engine, replacing these bearings is a key step to ensure longevity and performance.

This set is 0.020 inch undersize, which is important if your crankshaft has been machined during a rebuild. Using the correct undersize bearing ensures proper oil clearance, which is vital for lubrication and preventing damage. ACL is a well-known name in engine bearings, and this set is a solid option for anyone working on their MGB's engine. They're made to fit right and do the job they're supposed to do.