ZRP BMW M20B25 / M50B25 / M52B25 / M50B28 / M52B28 / M54B30 / M52B32 Classic Series Connecting Rods

Technical Features of ZRP Connecting Rods

• I-Beam Shape for extra rigidity
• Two-Piece forging for great strength
• Shot Peening for improved fatigue life
• Magnaflux Inspection guarantees that the consistency of the forged material meets our high-quality standard
• Double ribbed caps for added support
• Multi Stage Heat Treatment for maximum strength, dimensional stability, and fatigue life.
• CNC machining for superior tolerances, precise as much as 0.0002″
• Center to center is maintained under .001″ tolerance
• Finite Element Analysis (FEA) Computer generated stress analysis of con rods
• Optimal balancing for weight matched sets of ± 1gram