Speedmaster DNA® One-Piece Pushrods (PN 1-254-018) are precision-engineered from chromoly steel and heat-treated for enhanced strength and durability. Measuring 8.400 inches in length with a 5/16-inch diameter and a 0.080-inch wall thickness, these one-piece pushrods deliver consistent valve train geometry and reliable performance under demanding engine conditions.
The one-piece chromoly construction eliminates weak points associated with multi-piece designs, helping to maintain accurate pushrod length and promote stable lifter-to-rocker-arm contact. These pushrods are a dependable upgrade for performance and racing engine builds where valve train integrity is critical. Always verify compatibility with your specific engine specifications before installation.