Speedmaster 1-254-025 9.000" Chromoly One-Piece Pushrods 5/16" x 0.080" Wall DNA Set

The Speedmaster DNA® One-Piece Pushrods are engineered for high-performance engines running aggressive, high-lift camshafts. Manufactured from 4130 chromoly steel and heat-treated for maximum durability, these pushrods are built to withstand the demands of high-RPM operation while maintaining precise valve train geometry.

At 9.000 inches in length with a 5/16-inch diameter and a robust 0.080-inch minimum wall thickness, these one-piece pushrods deliver exceptional strength and rigidity. The heat-treated construction makes them fully compatible with guideplate-style cylinder heads, ensuring accurate alignment throughout the valvetrain. A black oxide finish provides corrosion resistance and a clean, professional appearance under the valve covers.

Key Features:

• Material: 4130 chromoly steel for superior strength-to-weight ratio
• Length: 9.000 inches
• Diameter: 5/16 inch (0.3125")
• Wall Thickness: 0.080 inch minimum for high-RPM durability
• One-piece DNA® construction for maximum rigidity and consistent performance
• Heat-treated for use with guideplates
• Black oxide finish for corrosion resistance
• Designed for high-lift camshaft applications

Speedmaster pushrods are also available in 3/8-inch diameter for applications requiring even greater valvetrain stiffness. Whether you're building a street performance or full race engine, Speedmaster's DNA® One-Piece Pushrods provide the reliability and precision your valvetrain demands.