What is the purpose of swedged ends on a push rod?

Swedged ends are formed to create a stronger, more precise connection point. This ensures consistent contact with the lifter on one end and the rocker arm on the other, which is important for accurate valve timing and operation.

Why is concentricity important for push rods?

Concentricity refers to how perfectly round and centered the tubing is. High concentricity means the push rod is uniform, reducing vibration and ensuring it spins true within the valve train. This contributes to smoother operation and less wear on other components.

What is the benefit of the black oxide finish?

The black oxide finish offers a layer of protection against corrosion and wear. It also helps to retain lubricant, which is beneficial for the moving parts within the engine's valve train.

Specifications

Brand: Manley Performance
Part #: 25903-8
UPC: 807298035710

Manley Push Rod - 3/8 Dia. - 10.500 Length - 0.080 Wall - 4130 Chrome Moly - Swedged End - Set of 8

Name: Manley Push Rod - 3/8 Dia. - 10.500 Length - 0.080 Wall - 4130 Chrome Moly - Swedged End - Set of 8
Brand: Manley Performance
SKU: manley-performance-manley-push-rod-3-8-dia-10-500-length-0-080-wall-4130-chrome--t14-879854
Price: 157.27 USD
Availability: BackOrder

$157.27

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Manley Performance push rods, 3/8in dia., 10.500in length, 0.080in wall. Made from 4130 Chrome Moly with swedged ends for engine builds.

Key Features

Fits various engine applications requiring 3/8 inch diameter, 10.500 inch length push rods.
Constructed from durable 4130 Chrome Moly tubing for strength and longevity.
Features a 0.080 inch wall thickness for a good balance of rigidity and weight.
Swedged ends are precisely formed with exact radii for accurate contact.
Maintains excellent concentricity and closely controlled length for consistent performance.
Heat-treated and black oxide finished for improved durability and appearance.

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About this part

Product Details

Starting with 4130 Chrome Moly tubing, these Manley push rods are built for serious engine work. The 0.080-inch wall thickness offers a solid balance between strength and weight, crucial for maintaining valve train stability at higher RPMs. Each push rod measures 3/8-inch in diameter and 10.500 inches long, with swedged ends that are meticulously formed with exact radii to ensure proper contact with lifters and rocker arms.

The attention to detail continues with excellent concentricity and closely controlled lengths across the set of eight. This means each push rod will perform its job consistently, contributing to a well-tuned and reliable valvetrain. They are heat-treated and finished with a black oxide coating, which helps with durability and provides a clean look inside your engine.