What is the primary function of pushrods in an engine?

Pushrods are a vital part of the valvetrain system. They transfer the motion from the camshaft's lifters to the rocker arms, which in turn open and close the engine's intake and exhaust valves. Precise length and geometry are essential for proper engine operation.

Why is 'concentricity' important for pushrods?

Concentricity refers to how consistent the wall thickness is around the entire diameter of the pushrod tube. Excellent concentricity means the pushrod is well-balanced and less likely to flex or vibrate, contributing to a more stable and accurate valvetrain.

What does the 'swedged end' mean for these pushrods?

A swedged end is a manufacturing process where the end of the tube is compressed and shaped to create a stronger, more precise fitting. This ensures a secure and accurate connection with the lifters and rocker arms, contributing to the overall integrity of the valvetrain.

Specifications

Brand: Manley Performance
Part #: 25333-8
UPC: 807298070629

Manley 3/8in 7.700in Length 0.135in Wall Swedged End Pushrods (Set of 8)

Name: Manley 3/8in 7.700in Length 0.135in Wall Swedged End Pushrods (Set of 8)
Brand: Manley Performance
SKU: manley-performance-manley-3-8in-7-700in-length-0-135in-wall-swedged-end-pushrods-t14-204898
Price: 161.51 USD
Availability: BackOrder

$161.51

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Manley 3/8in 7.700in Length 0.135in Wall Swedged End Pushrods (Set of 8). Essential for precise valve timing in performance builds.

Key Features

Verified fitment for performance engine builds.
Meticulously formed ends with exact radii for proper seating.
Excellent concentricity ensures consistent wall thickness.
Closely controlled length is critical for accurate valve timing.
Heat treated and black oxide finished for durability and corrosion resistance.
Set includes 8 pushrods.

⚠️ 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 application, getting the valve train geometry just right is crucial. These Manley pushrods are designed to help you achieve that precision. They connect the rocker arms to the lifters, transferring the camshaft's motion to open and close your engine's valves. Getting the length and concentricity correct ensures your valvetrain operates smoothly and efficiently.

Manley has paid close attention to the details with these pushrods. The ends are meticulously formed with exact radii, which helps them seat properly in the lifters and rocker arms. They also feature excellent concentricity, meaning the wall thickness is very consistent around the entire tube. This, combined with closely controlled overall length, is key for accurate valve timing and preventing potential interference issues. The heat treatment and black oxide finish add durability and corrosion resistance, making them a solid choice for your engine build.