Manley 25129-8 Pushrod 7/16" Diameter 7.650" Length .165 Wall 4130 Chrome Moly

Constructed from 4130 chrome moly steel tubing, these pushrods deliver the strength, rigidity, and dimensional precision required to maintain stable valve timing under elevated spring loads and high RPM conditions.

Key Specifications:

• Diameter: 7/16 in.
• Length: 7.650 in.
• Wall Thickness: 0.165 in.
• Material: 4130 Chrome Moly Steel
• End Style: Swedged ends
• Finish: Black oxide

Key Features:

• Heavy-duty 7/16 in. diameter with thick .165 in. wall for maximum stiffness and deflection resistance
• Meticulously formed ends with exact radii for smooth, consistent rocker arm and lifter contact
• Excellent concentricity and closely controlled length for precise, repeatable valve timing
• Heat-treated for long-term durability in high-load, high-RPM environments
• Black oxide finish provides corrosion resistance
• Swedged end design reinforces the transition zone for added structural strength

Manley's 7/16 in. pushrods with the .165 in. wall are the top-of-the-line option in the Manley pushrod lineup, designed for builds where maximum valvetrain stiffness is a priority. Whether used in a high-compression street engine or an all-out race application, these pushrods provide the reliability and precision that serious engine builders demand.