What material are these push rods made from?

These push rods are constructed from 4130 chrome moly steel. This material is known for its strength and is commonly used in performance engine applications.

What is the purpose of the swedged ends?

The swedged ends are formed to improve the strength and durability of the push rod. This design can help them resist bending or deforming under the stress of engine operation.

What is the black oxide finish for?

The black oxide finish provides a layer of protection against corrosion and wear. It's a common treatment for engine components to help them last longer.

Specifications

Brand: Manley Performance
Part #: 25197-8
UPC: 807298060248

Manley Push Rod - 7/16 Dia. - 11.900 Length - 0.165 Wall - 4130 Chrome Moly - Swedged End - Set of 8

Name: Manley Push Rod - 7/16 Dia. - 11.900 Length - 0.165 Wall - 4130 Chrome Moly - Swedged End - Set of 8
Brand: Manley Performance
SKU: manley-performance-manley-push-rod-7-16-dia-11-900-length-0-165-wall-4130-chrome-t14-879666
Price: 215.58 USD
Availability: BackOrder

$215.58

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Manley Performance push rod set. Includes 8 push rods made from 4130 chrome moly with swedged ends for improved durability.

Key Features

This set includes eight Manley Performance push rods.
Each push rod is 7/16 inch in diameter, 11.900 inches long, and has a 0.165 inch wall thickness.
Constructed from durable 4130 chrome moly steel.
Features swedged ends for improved strength and durability.
Meticulously formed ends with exact radii for precise fitment.
Excellent concentricity and closely controlled length ensure consistency.

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About this part

Product Details

This set includes eight Manley Performance push rods, each measuring 7/16 inch in diameter with a length of 11.900 inches and a 0.165 inch wall thickness. They are constructed from 4130 chrome moly steel, a strong material often used in performance engine components. The ends are meticulously formed with exact radii and the push rods feature swedged ends, which can help improve their strength and resistance to bending under load.

You'll find these push rods are heat treated and finished with a black oxide coating. This treatment process helps to increase their hardness and wear resistance, while the black oxide finish offers some protection against corrosion. Manley has paid close attention to concentricity and length control, ensuring each push rod in the set is very similar, which is important for consistent valve train operation.