What material are these push rods made from?

These Manley push rods are made from 4130 chrome moly tubing. This material is known for its strength and is commonly used in performance engine components.

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

A swedged end is a manufacturing process where the end of the tube is compressed and shaped. This design helps the push rod seat securely in both the lifter and the rocker arm, ensuring proper contact and reducing the chance of dislodging.

Are these push rods suitable for stock engines?

These push rods are designed with performance engine builds in mind, featuring specific dimensions and materials like 4130 chrome moly. While they might fit some stock applications, it's best to verify the exact length and diameter requirements for your specific engine to ensure proper valvetrain geometry.

Specifications

Brand: Manley Performance
Part #: 25869-16
UPC: 807298027999

Manley Push Rod - 5/16 Dia. - 9.900 Length - 0.080 Wall - 4130 Chrome Moly - Swedged End - Set of 16

Name: Manley Push Rod - 5/16 Dia. - 9.900 Length - 0.080 Wall - 4130 Chrome Moly - Swedged End - Set of 16
Brand: Manley Performance
SKU: manley-performance-manley-push-rod-5-16-dia-9-900-length-0-080-wall-4130-chrome--t14-879767
Price: 261.22 USD
Availability: BackOrder

$261.22

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Manley Push Rods, 5/16" Dia. x 9.900" L, 0.080" Wall. Set of 16.

Key Features

Fits various performance engine applications.
Constructed from durable 4130 chrome moly tubing.
Features a 0.080-inch wall thickness for strength.
Each push rod measures 9.900 inches in length.
Meticulously formed ends with exact radii for precise contact.
Excellent concentricity and closely controlled length for consistent operation.

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About this part

Product Details

Manley Performance push rods are a solid option when you're rebuilding or upgrading your engine's valvetrain. These push rods measure 5/16 inches in diameter with a 0.080-inch wall thickness and a length of 9.900 inches, designed to work with many performance engine builds. They are constructed from 4130 chrome moly tubing, a strong material often used in performance applications for its durability and resistance to bending under stress.

What sets these push rods apart is the attention to detail in their construction. The ends are meticulously formed with exact radii, and they maintain excellent concentricity, meaning they are perfectly centered. This precision helps ensure consistent operation of your valvetrain. They are also heat-treated and finished with a black oxide coating, which adds a layer of corrosion resistance and helps with oil retention. The swedged end design is a common feature that helps them seat properly in the lifters and rocker arms.

This set includes 16 push rods, enough for a typical V8 engine. When installing, it's important to ensure your lifters are properly primed and that the push rods are seated correctly in both the lifter and the rocker arm socket for optimal performance and longevity.