What material are these push rods made from?

These push rods are constructed from 4130 chrome moly tubing. This material is chosen for its strength and durability, making it well-suited for engine components that experience significant stress.

Why is precise length and concentricity important for push rods?

Precise length and concentricity are critical for ensuring correct valve train geometry. This means the camshaft's lift is accurately transferred to the valves, which is essential for proper engine performance and timing.

What does the 'swedged end' refer to?

A swedged end means the tubing has been compressed and shaped at the ends, creating a stronger, more integrated connection point. This design helps ensure the ends maintain their integrity under the stresses of engine operation.

Specifications

Brand: Manley Performance
Part #: 25845-8
UPC: 807298034836

Manley Push Rod - 3/8 Dia. - 8.450 Length - 0.080 Wall - 4130 Chrome Moly - Swedged End - Set of 8

Name: Manley Push Rod - 3/8 Dia. - 8.450 Length - 0.080 Wall - 4130 Chrome Moly - Swedged End - Set of 8
Brand: Manley Performance
SKU: manley-performance-manley-push-rod-3-8-dia-8-450-length-0-080-wall-4130-chrome-m-t14-879972
Price: 157.27 USD
Availability: BackOrder

$157.27

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Manley Push Rods - 3/8" Dia. - 8.450" Length - 0.080" Wall - 4130 Chrome Moly - Swedged End - Set of 8. For engine rebuilds needing precise valve train geometry.

Key Features

Fits various vehicles; check manufacturer fitment data for compatibility.
Constructed from strong 4130 chrome moly tubing with a 0.080-inch wall.
Features swedged ends with meticulously formed radii for precise contact.
Excellent concentricity and closely controlled length for consistent operation.
Heat-treated and black oxide finished for improved wear resistance and corrosion protection.
Set includes eight push rods, suitable for most V8 engines.

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About this part

Product Details

If you're rebuilding the top end of your engine and need to ensure your valve train geometry is spot on, these push rods from Manley Performance are a solid option. They are designed to be a direct replacement for many applications, helping you get the correct lift and timing from your camshaft to your valves.

These push rods are made from 4130 chrome moly tubing, which is known for its strength and durability. The tubing has a 0.080-inch wall thickness, providing good rigidity to prevent flexing under load. Manley pays close attention to the details here, with meticulously formed ends that have exact radii for proper contact with lifters and rocker arms. They also control the length very closely and ensure excellent concentricity, which is crucial for consistent valve train operation. The heat-treated and black oxide finish helps with wear resistance and corrosion protection.

This set includes eight push rods, which is what most V8 engines require. Having a well-matched set ensures that each cylinder is operating with the same valve train geometry.