What material are these push rods made from?

These push rods are constructed from 4130 chrome moly steel, which is known for its strength and durability in 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 push rod has been formed or crimped to create a stronger, more precise connection point. Manley meticulously forms these ends with exact radii for excellent concentricity and controlled length.

What is the benefit of closely controlled length and concentricity?

Closely controlled length and excellent concentricity are important for maintaining precise valve train geometry. This helps ensure consistent valve lift and timing, which contributes to reliable engine performance.

Specifications

Brand: Manley Performance
Part #: 25769-8
UPC: 807298033181

Manley Push Rod - 3/8 Dia. - 8.380 Length - 0.080 Wall - 4130 Chrome Moly - Swedged End - Set of 8

Name: Manley Push Rod - 3/8 Dia. - 8.380 Length - 0.080 Wall - 4130 Chrome Moly - Swedged End - Set of 8
Brand: Manley Performance
SKU: manley-performance-manley-push-rod-3-8-dia-8-380-length-0-080-wall-4130-chrome-m-t14-879942
Price: 157.27 USD
Availability: BackOrder

$157.27

On Backorder

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Manley Performance push rods, 8.380" length, 0.080" wall. Set of 8, 4130 Chrome Moly. Part# 25769-8.

Key Features

Fits various engine applications requiring 8.380" length push rods.
Constructed from strong 4130 chrome moly steel for durability.
Features a 0.080 inch wall thickness for added rigidity.
Swedged ends are precisely formed with exact radii for better concentricity.
Closely controlled length ensures accurate valve train geometry.
Heat treated and black oxide finished for improved wear resistance.

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About this part

Product Details

These are Manley Performance push rods, designed for engine builds where precise valve train geometry is critical. They measure 3/8 inch in diameter, are 8.380 inches long, and feature a 0.080 inch wall thickness, all made from durable 4130 chrome moly steel. The swedged ends are meticulously formed with exact radii, ensuring excellent concentricity and closely controlled length for consistent operation.

The heat treatment and black oxide finish on these push rods help them stand up to the demands of an active engine. Having closely controlled lengths and excellent concentricity means they help maintain proper valve lift and timing, which is important for overall engine performance and reliability. This set includes eight push rods, enough for a typical V8 engine.