What material are these push rods made from?

These push rods are constructed from 4130 Chrome Moly tubing. This material is known for its strength and durability, making it suitable for demanding engine applications.

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

A swedged end means the tubing has been compressed and formed at the ends. This design helps create a strong, integrated connection point for the lifter and rocker arm, and Manley forms these ends with exact radii for precise fitment.

What is the purpose of the black oxide finish?

The black oxide finish on these push rods provides a layer of corrosion resistance, helping to protect the metal from rust and environmental damage. It also contributes to the overall hardness of the component.

Specifications

Brand: Manley Performance
Part #: 25346-8
UPC: 807298036090

Manley Push Rod - 3/8 Dia. - 8.350 Length - 0.135 Wall - 4130 Chrome Moly - Swedged End - Set of 8

Name: Manley Push Rod - 3/8 Dia. - 8.350 Length - 0.135 Wall - 4130 Chrome Moly - Swedged End - Set of 8
Brand: Manley Performance
SKU: manley-performance-manley-push-rod-3-8-dia-8-350-length-0-135-wall-4130-chrome-m-t14-879917
Price: 192.08 USD
Availability: BackOrder

$192.08

On Backorder

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Manley Performance push rods. 8.350" length, 0.135" wall, 4130 Chrome Moly construction for improved durability.

Key Features

Fits various vehicles. Check manufacturer fitment data to confirm compatibility with your vehicle.
Constructed from 4130 Chrome Moly tubing for strength.
Measures 3/8 inch in diameter with a 0.135 inch wall thickness.
Features swedged ends with precisely formed radii for excellent concentricity.
Closely controlled length ensures consistent valve train geometry.
Heat-treated and black oxide finished for improved durability and corrosion resistance.

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About this part

Product Details

These Manley push rods are made from 4130 Chrome Moly tubing, measuring 3/8 inch in diameter with a 0.135 inch wall thickness. This specific tubing choice and wall thickness are chosen to handle the stresses of an engine's valvetrain, ensuring reliable operation. The swedged ends are meticulously formed with exact radii, which helps maintain excellent concentricity and closely controlled length from one pushrod to the next. This precision is key for consistent valve lift and timing.

Each push rod in this set of eight is heat-treated and finished with a black oxide coating. This treatment process hardens the material, making it more resistant to wear and bending under load, while the black oxide finish offers a layer of corrosion resistance. The swedged end design is a practical choice for many engine builds, simplifying installation and ensuring a secure fit with your lifters and rocker arms.