What material are these push rods made from?

These push rods are constructed from 4130 chrome moly steel. This material is chosen for its strength and durability, making it suitable for demanding engine applications.

What is the purpose of the swedged ends and black oxide finish?

The swedged ends are meticulously formed with exact radii to ensure excellent concentricity and closely controlled length, which is vital for proper valve train function. The black oxide finish helps protect against corrosion and increases surface hardness.

Are these push rods a direct replacement for all engines?

These push rods have specific dimensions (7/16" diameter, 11.150" length, 0.165" wall) and are made from 4130 chrome moly. You will need to verify these specifications match your engine's requirements for proper fitment and performance.

Specifications

Brand: Manley Performance
Part #: 25182-8
UPC: 807298016603

Manley Push Rod - 7/16 Dia. - 11.150 Length - 0.165 Wall - 4130 Chrome Moly - Swedged End - Set of 8

Name: Manley Push Rod - 7/16 Dia. - 11.150 Length - 0.165 Wall - 4130 Chrome Moly - Swedged End - Set of 8
Brand: Manley Performance
SKU: manley-performance-manley-push-rod-7-16-dia-11-150-length-0-165-wall-4130-chrome-t14-879651
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 product includes a set of 8 push rods.
Each push rod is 7/16 inches in diameter, 11.150 inches long, and has a 0.165-inch wall.
Constructed from 4130 chrome moly steel for strength and durability.
Features swedged ends that are meticulously formed with exact radii.
Excellent concentricity and closely controlled length ensure precise valve train operation.
Undergoes heat treatment and a black oxide finish for increased hardness and corrosion resistance.

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About this part

Product Details

This set includes eight Manley Performance push rods, each measuring 7/16 inches in diameter with a 0.165-inch wall thickness and a length of 11.150 inches. They are constructed from 4130 chrome moly steel, a well-known material for its strength and durability in high-stress engine applications. The swedged ends are meticulously formed with exact radii, contributing to excellent concentricity and closely controlled length, which are critical for proper valve train operation.

These push rods undergo heat treatment and a black oxide finish. This process helps to increase their hardness and resistance to wear, while the black oxide coating offers a layer of corrosion protection. The precise manufacturing ensures that each push rod in the set meets strict specifications, which is important for maintaining consistent valve lift and timing in your engine.