What material are these push rods made from?

These push rods are constructed from 4130 chrome moly steel, a strong and durable material often used in performance engine components. They are also heat-treated and finished with a black oxide coating for added longevity.

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

A swedged end means the end of the push rod has been mechanically deformed or expanded to create a stronger, more integrated connection point. This design helps ensure a secure fit with your lifters and rocker arms.

Why is concentricity important for push rods?

Concentricity refers to how closely the centerlines of the push rod's ends align with its main body. Excellent concentricity, along with closely controlled length, is crucial for ensuring consistent valve lift and timing, leading to reliable engine operation.

Specifications

Brand: Manley Performance
Part #: 25166-8
UPC: 807298017501

Manley Push Rod - 7/16 Dia. - 9.400 Length - 0.165 Wall - 4130 Chrome Moly - Swedged End - Set of 8

Name: Manley Push Rod - 7/16 Dia. - 9.400 Length - 0.165 Wall - 4130 Chrome Moly - Swedged End - Set of 8
Brand: Manley Performance
SKU: manley-performance-manley-push-rod-7-16-dia-9-400-length-0-165-wall-4130-chrome--t14-879810
Price: 215.58 USD
Availability: BackOrder

$215.58

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Manley Performance push rod set. Set of 8, 7/16" diameter, 9.400" length, 0.165" wall. Built for reliable valve train operation.

Key Features

Set includes eight Manley Performance push rods.
Each push rod is 7/16 inches in diameter with a 9.400-inch length and a 0.165-inch wall.
Constructed from durable 4130 chrome moly steel.
Features swedged ends for a secure fit.
Meticulously formed ends with exact radii ensure proper contact.
Excellent concentricity and closely controlled length are maintained.

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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 9.400-inch length and a 0.165-inch wall thickness. They are constructed from 4130 chrome moly steel and feature swedged ends for a secure connection to your valve train components.

These push rods are built with meticulous attention to detail, featuring precisely formed ends with exact radii to ensure proper contact with your lifters and rocker arms. The manufacturing process focuses on excellent concentricity and closely controlled length, which are critical for consistent valve timing and lift. They are heat-treated and finished with a black oxide coating, adding durability and resistance to corrosion.

When rebuilding or modifying your engine's top end, using push rods that maintain exact dimensions and concentricity is key to achieving reliable performance. This set from Manley Performance offers a well-built option for your engine build.