Speedmaster 6.700" Chromoly Heat-Treated 5/16" 0.080" Wall DNA One-Piece Pushrods 1-254-004

The Speedmaster 6.700" chromoly heat-treated one-piece pushrods deliver superior durability and precision for serious engine builders and performance enthusiasts. Constructed from high-strength chromoly steel with a 5/16" diameter and 0.080" wall thickness, these DNA pushrods are engineered to withstand demanding engine conditions while maintaining consistent valve train geometry. The one-piece design eliminates weak points and provides reliable operation across a range of engine speeds and configurations.

These pushrods are ideal for custom engine builds, street performance applications, and high-revving small-block engines where durability and precision matter. The chromoly heat treatment process strengthens the material to resist bending and fatigue, critical factors in maintaining accurate valve timing and preventing catastrophic engine damage. Perfect for enthusiasts building or rebuilding engines that demand professional-grade components.

Key Features & Benefits

• Chromoly Heat-Treated Material: High-strength chromoly construction with heat treatment for superior durability and fatigue resistance.
• One-Piece Design: Eliminates joints and weak points, delivering consistent performance and reliability.
• 5/16" Diameter with 0.080" Wall: Precise dimensions engineered for optimal strength-to-weight ratio in performance applications.
• 6.700" Length: Grounded specifications designed for compatibility with specific small-block engine configurations.
• DNA One-Piece Construction: Professional-grade engineering ensures consistent valve train geometry and operation.

Specifications

Ideal Applications

• Custom small-block engine builds
• Street performance and high-revving applications
• Engine rebuilds requiring precision valve train components
• Competition and enthusiast-grade engine assembly