What is a wrist pin bushing?

A wrist pin bushing, also known as a connecting rod bushing, is a small component pressed into the small end of a connecting rod. It provides a durable bearing surface for the wrist pin (or piston pin) that connects the piston to the connecting rod.

Why is the material important for this bushing?

The bronze alloy used in this bushing is selected for its good wear resistance and ability to handle the sliding friction and high loads generated by the wrist pin's movement during engine operation.

What does 'BBC Sports' indicate in the product name?

This designation typically means the bushing is intended for Big Block Chevrolet (BBC) engine applications and is built to handle the performance demands associated with those engines.

Specifications

Brand: Manley Performance
Part #: 42394-8
UPC: 807298001173

Manley Wrist Pin Bushing, BUSHING-BBC SPORTS

Name: Manley Wrist Pin Bushing, BUSHING-BBC SPORTS
Brand: Manley Performance
SKU: manley-performance-manley-wrist-pin-bushing-bushing-bbc-sports-t14-881653
Price: 98.24 USD
Availability: BackOrder

$98.24

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Manley BBC Sports Wrist Pin Bushing. A well-built component for your engine build.

Key Features

This is a Manley BBC Sports Wrist Pin Bushing.
Made from a strong bronze alloy.
Designed for performance engine applications.
Part number 42394-8.

⚠️ 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

The Manley BBC Sports Wrist Pin Bushing is made from a strong bronze alloy, chosen for its ability to handle the high loads and friction found in performance engine applications. This bushing is designed to fit precisely into the connecting rod, providing a smooth and durable surface for the wrist pin to oscillate within. Proper wrist pin bushing function is critical for maintaining correct piston-to-cylinder wall clearance and ensuring the longevity of your engine's rotating assembly.

When you're building a performance engine, especially one based on a big block Chevrolet (BBC) platform, the details matter. This bushing is a popular choice for builders looking for a reliable component that can withstand the demands of increased horsepower and RPM. Its solid construction helps to minimize wear and prevent excessive play, which can lead to noise and reduced engine efficiency over time. Ensure your connecting rods are properly sized and honed to accept this bushing for optimal performance.