What is the purpose of a pushrod in an engine?

A pushrod transfers the motion from the camshaft's lifter to the rocker arm, which in turn opens the engine's valves. Proper length and rigidity are essential for correct valvetrain operation and engine performance.

Why is 4130 Chrome Moly steel used for these pushrods?

4130 Chrome Moly is a strong and relatively lightweight alloy steel. It's chosen for applications like pushrods because it offers good tensile strength and durability to withstand the forces in the valvetrain without excessive flexing.

What does 'swedged end' mean for these pushrods?

A swedged end means the tube has been compressed and shaped at the ends, creating a stronger, more integrated connection point. This process helps ensure the ends maintain their shape and integrity under load.

Specifications

Brand: Manley Performance
Part #: 25219-16
UPC: 807298075990

Manley SBC .120in Wall 7.000in Length 5/16in Dia 4130 Chrome Moly Swedged End Push Rods

Name: Manley SBC .120in Wall 7.000in Length 5/16in Dia 4130 Chrome Moly Swedged End Push Rods
Brand: Manley Performance
SKU: manley-performance-manley-sbc-120in-wall-7-000in-length-5-16in-dia-4130-chrome-m-t14-26006
Price: 281.01 USD
Availability: BackOrder

$281.01

On Backorder

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Manley SBC push rods, 7.000in length, 5/16in diameter. Built with 4130 Chrome Moly for improved valvetrain stability.

Key Features

Fits Small Block Chevy (SBC) engines.
7.000 inch length and 5/16 inch diameter.
.120 inch wall thickness for added rigidity.
Constructed from durable 4130 Chrome Moly steel.
Features meticulously formed ends with exact radii.
Excellent concentricity and closely controlled length.

⚠️ 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 Small Block Chevy engine, getting the pushrods right is crucial for proper valvetrain geometry. These Manley pushrods are made from 4130 Chrome Moly steel, a strong material that holds up well under the stresses of engine operation. They feature a .120 inch wall thickness, which adds rigidity and helps prevent flexing, especially in higher-performance applications where valve lift and spring pressures are increased.

Manley paid close attention to the ends of these pushrods. They're meticulously formed with exact radii, and the concentricity is closely controlled. This means they'll seat properly in the lifters and rocker arms, ensuring smooth operation and consistent valve timing. The closely controlled length is also key for setting up your valvetrain geometry correctly, which impacts performance and engine health. They come with a heat-treated and black oxide finish for added durability and corrosion resistance.