What material are these push rods made from?

These push rods are constructed from 4130 chrome moly steel, which offers a good balance of strength and weight for engine components. They are also heat-treated and finished with a black oxide coating.

What does 'swedged end' mean for these push rods?

A swedged end means the end of the tube has been compressed and shaped, creating a strong, integrated connection point. For these push rods, it refers to the meticulously formed ends with exact radii that ensure proper seating in the lifters and rocker arms.

What is the benefit of closely controlled length and concentricity?

Closely controlled length and excellent concentricity are important for precise valve train geometry. This ensures the push rods seat correctly and consistently, leading to accurate valve lift and timing for optimal engine performance.

Specifications

Brand: Manley Performance
Part #: 25801-16
UPC: 807298034003

Manley Push Rod - 5/16 Dia. - 9.300 Length - 0.080 Wall - 4130 Chrome Moly - Swedged End - Set of 16

Name: Manley Push Rod - 5/16 Dia. - 9.300 Length - 0.080 Wall - 4130 Chrome Moly - Swedged End - Set of 16
Brand: Manley Performance
SKU: manley-performance-manley-push-rod-5-16-dia-9-300-length-0-080-wall-4130-chrome--t14-879759
Price: 261.22 USD
Availability: BackOrder

$261.22

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Manley Performance push rods, 9.300" length, 0.080" wall, 4130 Chrome Moly. Set of 16.

Key Features

Fits: Check manufacturer fitment data to confirm compatibility with your vehicle.
Constructed from 4130 chrome moly steel for strength.
Measures 9.300 inches in length with a 0.080 inch wall thickness.
Features swedged ends with meticulously formed radii for precise fitment.
Excellent concentricity and closely controlled length ensure proper valve train geometry.
Heat-treated and black oxide finished for improved durability.

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About this part

Product Details

Manley Performance is well-known for making strong internal engine components, and these push rods are a great example of that. They are built for engines where precise valve train geometry is important, like when you're rebuilding the top end or looking for improved reliability. These push rods measure 9.300 inches long with a 0.080-inch wall thickness, made from 4130 chrome moly steel for a good balance of strength and weight.

What sets these apart is the attention to detail in their construction. The ends are meticulously formed with exact radii, and Manley controls the length very closely to ensure excellent concentricity. This means they will seat properly in your lifters and rocker arms, which is crucial for consistent valve lift and timing. They are also heat-treated and finished with a black oxide coating to help with durability and corrosion resistance.

This set includes 16 push rods, enough for a typical V8 engine. Having push rods with controlled length and precise end forming helps ensure your valve train operates smoothly and efficiently.