What material are these push rods made from?

These push rods are constructed from 4130 Chrome Moly steel. This material is chosen for its strength and durability, making it suitable for performance engine builds.

What does 'excellent concentricity' mean for these push rods?

Excellent concentricity means the push rod is very round and the wall thickness is consistent all the way around. This helps ensure the push rod seats evenly in the lifter and rocker arm, promoting smooth operation and reducing wear.

Specifications

Brand: Manley Performance
Part #: 25173-8
UPC: 807298036694

Manley Push Rod - 7/16 Dia. - 9.750 Length - 0.165 Wall - 4130 Chrome Moly - Swedged End - Set of 8

Name: Manley Push Rod - 7/16 Dia. - 9.750 Length - 0.165 Wall - 4130 Chrome Moly - Swedged End - Set of 8
Brand: Manley Performance
SKU: manley-performance-manley-push-rod-7-16-dia-9-750-length-0-165-wall-4130-chrome--t14-879817
Price: 215.58 USD
Availability: BackOrder

$215.58

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Manley Performance push rod set. Built with 4130 Chrome Moly for improved durability in performance engines.

Key Features

Set includes 8 push rods.
Constructed from 4130 Chrome Moly steel.
Each push rod is 7/16 inch in diameter.
Push rod length is 9.750 inches.
Features a 0.165 inch wall thickness.
Swedged end design for strength and proper seating.

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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 valvetrain geometry just right is key. These push rods from Manley Performance are designed to help you achieve that precision. They are made from 4130 Chrome Moly steel, a strong material that holds up well under the stresses of an active engine.

What sets these apart is the attention to detail in their construction. The ends are meticulously formed with exact radii, which helps ensure they seat properly in the lifters and rocker arms. You'll also notice excellent concentricity and closely controlled lengths, meaning each push rod in the set is very similar to the others. This consistency is important for maintaining proper valvetrain geometry and reducing wear. They're heat treated and finished with a black oxide coating for added durability and corrosion resistance.

This set includes eight push rods, each measuring 7/16 inch in diameter with a 0.165 inch wall thickness and a length of 9.750 inches. The swedged end design is a common feature that helps with strength and proper seating.