What material are these push rods made from?

These push rods are made from 4130 chrome moly steel. This material is chosen for its strength and durability, making it well-suited for the stresses within an engine's valve train.

What does 'swedged end' mean for these push rods?

A swedged end is formed with precise radii, creating a strong and concentric connection point. This ensures accurate valve timing and lift by maintaining a consistent relationship with the lifters and rocker arms.

What is the benefit of the black oxide finish?

The black oxide finish, along with heat treatment, adds to the overall durability and corrosion resistance of the push rods. This helps them withstand the harsh environment inside an engine.

Specifications

Brand: Manley Performance
Part #: 25281-16
UPC: 807298076256

Manley Push Rod - 5/16 Dia. - 7.825 Length - 0.120 Wall - 4130 Chrome Moly - Swedged End - Set of 16

Name: Manley Push Rod - 5/16 Dia. - 7.825 Length - 0.120 Wall - 4130 Chrome Moly - Swedged End - Set of 16
Brand: Manley Performance
SKU: manley-performance-manley-push-rod-5-16-dia-7-825-length-0-120-wall-4130-chrome--t14-879694
Price: 334.17 USD
Availability: BackOrder

$334.17

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Manley Performance push rod set. Includes 16 push rods made from 4130 chrome moly for improved durability.

Key Features

This set includes 16 push rods.
Each push rod is 5/16 inches in diameter, 7.825 inches long, and has a 0.120-inch wall thickness.
Constructed from durable 4130 chrome moly steel.
Features swedged ends with meticulously formed radii for excellent concentricity.
Closely controlled length ensures consistent valve train operation.
Heat treated and finished with a black oxide coating for added durability.

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About this part

Product Details

In this set, you get 16 push rods, each measuring 5/16 inches in diameter with a 0.120-inch wall thickness and a length of 7.825 inches. They are constructed from 4130 chrome moly steel, a well-known material for its strength and durability in high-stress engine applications. These push rods feature swedged ends, which are formed with precise radii to ensure excellent concentricity and closely controlled lengths, critical for consistent valve train operation.

The heat treatment and black oxide finish on these push rods add to their resilience. The swedged ends are particularly important because they create a solid connection point for rocker arms and lifters, helping to maintain accurate valve timing and lift. This attention to detail in their construction means they are built to handle the demands of performance engines, offering a solid option for engine rebuilds or upgrades where reliability is key.