Carrillo SCR5392-4 Pro-H Beam Connecting Rods Honda/Acura H23 B20A F22 5.581" CARR Bolt

Featuring a 5.581-inch center-to-center length, these rods are designed to meet the demands of high-horsepower and high-RPM racing and performance applications.

Key Specifications:

• Beam Design: Pro-H (straight H-beam)
• Rod Length (C-to-C): 5.581 inches
• Wrist Pin Bore: 22mm, bushed, full-floating
• Big End Bore: 2.008 inches
• Big End Width: 0.938 inches
• Pin Width: 0.900 inches
• Rod Bolt: 3/8" CARR (Carrillo proprietary) bolt
• Advertised Weight: 563g per rod

Key Features:

• Manufactured from oversized proprietary Carrilloy steel forgings — a chrome, nickel, moly, vanadium alloy meeting VAR (Vacuum Arc Re-Melt) ASTM standards — ensuring proper grain flow and removal of surface inclusions
• Each rod is magnafluxed twice and Rockwell hardness tested to validate heat treat integrity
• Final controlled shot peen operation relieves tensile stress and increases fatigue life
• Laser-etched job number on each rod for full traceability
• Multi-step final inspection process for consistent quality and tight tolerances
• CP-Carrillo moly-based fastener lubrication included
• Proudly made in the USA

The SCR5392-4 uses Carrillo's proprietary 3/8" CARR rod bolt — a custom-designed fastener engineered to a known yield load with a recommended stretch value of 80% of yield, providing superior clamping force and reliability over standard torque-based fastening methods.