What is the size of these main bearings?

These main bearings are 0.040 inch oversized. This means they are intended for use when the engine's crankshaft has been machined down by 0.040 inches to ensure a proper fit and clearance.

What type of engine is this bearing set designed for?

This main bearing set is designed for AMC/Jeep 242ci 4.0L Power-Tec engines. The bi-metal aluminum construction with a lead-free composite is ideal for medium-load applications.

Does this bearing set contain lead?

No, this bearing set features a lead-free environmentally safe composite material. King Engine Bearings focuses on supplying high-quality bearings, including environmentally conscious options.

Specifications

Brand: King Engine Bearings
Part #: MB7719SI040
UPC: 611500462450

King Engine Bearings AMC / JEEP 242CI 4.0L POWER-TEC (Size 0.40 Oversized) Main Bearing Set

Name: King Engine Bearings AMC / JEEP 242CI 4.0L POWER-TEC (Size 0.40 Oversized) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-amc-jeep-242ci-4-0l-power-tec-size-0-4-t14-567019
Price: 73.32 USD
Availability: BackOrder

$73.32

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King Engine Bearings AMC / JEEP 242CI 4.0L POWER-TEC (Size 0.40 Oversized) Main Bearing Set. Features lead-free composite for medium-load engines.

Key Features

This is a main bearing set for AMC / Jeep 242ci 4.0L Power-Tec engines.
The bearings are 0.040 inch oversized, intended for use with a machined crankshaft.
Features a lead-free environmentally safe composite material.
Constructed with a bi-metal aluminum material.
This design is ideal for medium-load engines.

⚠️ 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 is a main bearing set from King Engine Bearings, specifically the MB7719SI040 model. You get the main bearings needed to rebuild the bottom end of your AMC/Jeep 242ci 4.0L Power-Tec engine. These bearings are 0.040 inch oversized, which is important if you're machining your crankshaft to match.

King has been specializing in bearings since 1960, focusing on making them well-built. This particular set uses a bi-metal aluminum material and features a lead-free composite. This design is well-suited for medium-load engines, offering a solid option for your rebuild.