What does the '1.5' size designation mean for these main bearings?

The '1.5' indicates that this is an undersize bearing set. It's used when the crankshaft journals have been machined down by 0.040 inches (1.5mm) during an engine rebuild to ensure proper oil clearance.

What is the advantage of a bimetal bearing with an aluminum base?

Bimetal bearings with an aluminum base offer good heat transfer properties and wear resistance. This construction helps maintain the integrity of the oil film between the bearing and the crankshaft, which is crucial for engine longevity.

Does this main bearing set come with all the necessary components for installation?

This listing is for the main bearing set only. You will need to ensure you have the correct assembly lube and follow the manufacturer's torque specifications for installation.

Specifications

Brand: King Engine Bearings
Part #: MB534AM1.5
UPC: 611500165436

King Engine Bearings Datsun Mitsubishi (Size 1.5) Main Bearing Set

Name: King Engine Bearings Datsun Mitsubishi (Size 1.5) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-datsun-mitsubishi-size-1-5-main-bearin-t14-4330066
Price: 90.75 USD
Availability: BackOrder

$90.75

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Fits 1968-1973 Nissan 510. King Engine Bearings Main Bearing Set (Size 1.5) for Datsun L18 engines.

Key Features

Fits 1968-1973 Nissan 510, 1969-1972 Nissan 521 Pickup, 1973 Nissan 610, 1972-1974 Nissan 620 Pickup, and 1974 Nissan 710.
Main bearing set for Datsun L18 engines.
Features a bimetal construction with an aluminum base.
This set is sized at 1.5 for specific engine clearance requirements.
From a popular manufacturer of engine components.

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About this part

Product Details

If you're rebuilding the bottom end of your 1968-1973 Nissan 510, or a Datsun 521, 610, 620, or 710 with an L18 engine, this Main Bearing Set from King Engine Bearings is a solid option. These bearings are built with a bimetal construction, meaning they have an aluminum base, which helps with heat transfer and wear resistance. This set is specifically sized at 1.5, which is important for ensuring proper clearances within your engine's crankshaft journals during assembly.

King Engine Bearings is a well-known name in engine components, and this set is made to fit your specific application. The aluminum base offers a good balance of strength and thermal properties, crucial for maintaining oil film integrity under load. Proper installation and adherence to torque specifications are key when fitting these bearings to ensure optimal performance and longevity of your engine rebuild.