What is the purpose of pushrods in an engine?

Pushrods connect the camshaft lifters to the rocker arms. They transfer the lifting motion from the camshaft to the valves, ensuring they open and close at the correct time for engine operation.

Why is precise length and concentricity important for pushrods?

Precise length is crucial for correct valve train geometry, affecting when valves open and close. Excellent concentricity ensures the pushrod rotates smoothly and transfers motion without binding, contributing to consistent performance and reduced wear.

What does the black oxide finish do?

The black oxide finish is applied after heat treatment. It offers some protection against corrosion and can help retain lubricant, which is beneficial for the moving parts of the valve train.

Specifications

Brand: Manley Performance
Part #: 25960-8
UPC: 807298036434

Manley 9.600in Length 3/8in Chrome Moly Swedged End Pushrods (Set of 8)

Name: Manley 9.600in Length 3/8in Chrome Moly Swedged End Pushrods (Set of 8)
Brand: Manley Performance
SKU: manley-performance-manley-9-600in-length-3-8in-chrome-moly-swedged-end-pushrods--t14-464997
Price: 132.26 USD
Availability: BackOrder

$132.26

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Manley 9.600in Length 3/8in Chrome Moly Swedged End Pushrods (Set of 8). Essential for precise valve timing in performance engines.

Key Features

Set includes 8 pushrods for a complete engine.
Constructed from strong chrome moly tubing.
Ends are meticulously formed with exact radii for proper seating.
Features excellent concentricity for consistent operation.
Length is closely controlled for precise valve train geometry.
Heat treated and finished with black oxide for durability.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

If you're rebuilding the top end of your engine, especially for a performance build, getting the valve train geometry just right is critical. These Manley pushrods are designed to help you achieve that precision. They connect the rocker arms to the lifters, transferring the motion from the camshaft to the valves. Getting this length and alignment correct ensures your valves open and close at the right time, which is key for both power and reliability.

What sets these pushrods apart is the attention to detail in their construction. The ends are meticulously formed with exact radii, which helps them seat properly against the lifters and rocker arms. They also feature excellent concentricity, meaning the center of the pushrod is perfectly aligned with its outer diameter, and their lengths are closely controlled. This level of precision is important for consistent valve train operation. They're made from chrome moly tubing, a strong and durable material, and are heat treated with a black oxide finish for added protection.

This set includes eight pushrods, enough for a typical V8 engine. Having a well-matched set like this ensures that each cylinder's valve train is set up identically, contributing to smooth engine operation and predictable performance.