Carrillo SCR15004-1 Pro-H Beam Connecting Rod BMW S58B30 5.157" Single

The Carrillo SCR15004-1 is a single Pro-H Beam connecting rod designed for the BMW S58B30 inline-six engine. Engineered for high-performance and high-RPM applications, this rod delivers the same race-proven quality that has made Carrillo a trusted name in Formula 1, NASCAR, and NHRA competition.

Key Specifications:

• Center-to-Center Length: 5.157"
• Small End: 23mm wrist pin, bushed full-floating design
• Rod Bolt: 3/8" WMC (Wave Multi Crest) high-strength bolt
• Beam Design: Pro-H (H-Beam)
• Quantity: Single rod (1 pc)
• Engine Application: BMW S58B30

Construction & Manufacturing:

• Proprietary chrome, nickel, moly, vanadium alloy steel meeting VAR (Vacuum Arc Re-Melt) ASTM standards
• Heat-treated to a UTS of 195,000 psi and yield strength of 182,000 psi with maintained ductility and low notch-sensitivity
• Manufactured from oversized forgings for optimal grain flow and surface integrity
• Each rod is magnafluxed a minimum of twice during production
• Rockwell hardness tested to validate heat treatment on every piece
• All critical CNC operations validated with dimensional probing for consistent accuracy

Sold as a single connecting rod — ideal for replacement of an individual rod or custom builds. The Carrillo SCR15004-1 is a special-order item made to exacting tolerances, ensuring reliable performance in forced-induction, high-boost, and high-revving BMW S58 engine builds.