What material are these push rods made from?

These push rods are made from 4130 chrome moly steel. This material is chosen 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 end of the push rod has been compressed and shaped to create a stronger, more precise connection point. This is often done to accommodate valve springs or retainers and ensures a good fit.

Are these push rods suitable for a stock engine rebuild?

While these push rods are well-made and feature precise dimensions, they are often used in performance or modified engine builds where exact valve train geometry is critical. For a stock rebuild, ensure these dimensions match your original equipment specifications.

Specifications

Brand: Manley Performance
Part #: 25675-16
UPC: 807298031446

Manley Push Rod - 5/16 Dia. - 6.750 Length - 0.080 Wall - 4130 Chrome Moly - Swedged End - Set of 16

Name: Manley Push Rod - 5/16 Dia. - 6.750 Length - 0.080 Wall - 4130 Chrome Moly - Swedged End - Set of 16
Brand: Manley Performance
SKU: manley-performance-manley-push-rod-5-16-dia-6-750-length-0-080-wall-4130-chrome--t14-879707
Price: 261.22 USD
Availability: BackOrder

$261.22

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Manley Performance push rod set. Set of 16, 5/16" diameter, 6.750" length, 0.080" wall. Made from 4130 chrome moly for improved durability.

Key Features

This product is a set of 16 push rods.
Each push rod measures 5/16 inches in diameter.
The length of each push rod is 6.750 inches.
These push rods have a wall thickness of 0.080 inches.
Constructed from 4130 chrome moly steel for strength and durability.
Features swedged ends with meticulously formed radii for precise fitment.

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About this part

Product Details

This set includes 16 push rods from Manley Performance, each measuring 5/16 inches in diameter with a 6.750-inch length and a 0.080-inch wall thickness. They are constructed from 4130 chrome moly steel, a well-known material for its strength and durability in high-stress engine applications. These push rods are designed for use in performance engine builds where precise valve train geometry is critical.

Manley has paid close attention to the details with these push rods. The ends are meticulously formed with exact radii, and the set boasts excellent concentricity, meaning they are perfectly round and balanced. This controlled manufacturing process ensures closely controlled lengths from one push rod to the next, which is vital for consistent valve lift and timing. They are also heat-treated and finished with a black oxide coating for added protection against wear and corrosion.

When rebuilding or upgrading your engine's top end, push rods are a key component in transferring the camshaft's motion to the valves. Ensuring you have strong, accurately made push rods like these from Manley can help maintain proper valve train function and potentially improve performance.