All flat tappet cams require careful run-in procedure to give the best chance of a long life.
Our step by step procedure is available in the document linked below:
Flat Tappet Run In Procedure.pdf
This video will take you through the different ways push rods are measured.
Pushrods: Measured Length vs Gauged Length
Our pushrods are manufactured from 4130 seamless chrome moly. Centerless ground and fully turned 210’ radius ends. Hardened and carburized tube with greater than 58 RC hardness and held to .005” maximum runout. Up to 40% greater column strength for superior durability and increased stiffness to virtually eliminate compression and deflection. Black oxide coated gloss black finish.