What makes these bearings environmentally safe?

These King Engine Bearings feature a lead-free composite material. This design choice helps reduce environmental impact compared to bearings that contain lead.

Are these bearings suitable for high-performance or racing engines?

These bearings are specifically noted as being ideal for medium-load engines. For high-performance or racing applications, it's always best to consult with a specialist to ensure the correct bearing material and load capacity are selected.

What is the primary material used in these bearings?

The primary material for these main bearings is a bi-metal aluminum composite. This construction is chosen for its balance of strength and weight in medium-load engine designs.

Specifications

Brand: King Engine Bearings
Part #: MB4272SI
UPC: 611500527166

King Engine Bearings Holden Alloytec 175/190 Crankshaft Main Bearing Set

Name: King Engine Bearings Holden Alloytec 175/190 Crankshaft Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-holden-alloytec-175-190-crankshaft-mai-t14-167895
Price: 50.71 USD
Availability: InStock

$50.71

Only 2 left in stock

King Engine Bearings crankshaft main bearing set MB4272SI. Lead-free composite ideal for medium-load engines.

Key Features

Fits a wide range of Buick, Cadillac, Chevrolet, GMC, Pontiac, Saab, Saturn, and Suzuki vehicles.
Features a lead-free, environmentally safe composite material.
Constructed from bi-metal aluminum for durability.
Ideal for medium-load engine applications.

⚠️ 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

If you're rebuilding the bottom end of a Holden Alloytec 175/190 engine, these King Engine Bearings crankshaft main bearings are a solid option. King has been specializing in bearings since 1960, focusing on supplying well-built components for a wide range of vehicles. This set, part number MB4272SI, is designed for medium-load applications.

These bearings are constructed from a bi-metal aluminum material and feature a lead-free composite. This makes them an environmentally safe choice and suitable for engines that aren't subjected to extreme, constant heavy loads. They fit a broad spectrum of vehicles, including popular models like the Chevrolet Equinox, Cadillac CTS, and GMC Acadia, among many others. Ensure you check the full fitment list to confirm compatibility with your specific application.