Carrillo BF9875-005 Bullet Series Forged Connecting Rod

The Carrillo BF9875-005 is a high-performance connecting rod from CP-Carrillo's Bullet Series — an engineered line that brings race-proven Carrillo technology to performance street and competition engine builds. The Bullet Series was designed to deliver the precision, strength, and quality that CP-Carrillo is renowned for, at an accessible price point without compromise.

Key Features:

• Forged from 4330M Carrilloy steel — a proprietary chrome, nickel, moly, vanadium alloy meeting all VAR (vacuum arc re-melt) ASTM standards
• Manufactured in the USA from oversized proprietary steel forgings for proper grain flow and guaranteed removal of surface inclusions
• CNC-machined with precision tolerances; each unit is magnafluxed twice and Rockwell tested to validate heat treatment
• Compatible with both WMC (H11 tool steel) and CARR (Multiphase) rod bolt options — CARR bolts are rated for indefinite torque cycles when the stretch method is followed
• Each rod ships with a specification card displaying part number, critical dimensions, weights, job number, and bolt installation chart for full traceability
• Final controlled shot-peen operation completes each rod for enhanced fatigue resistance
• -005 suffix denotes +0.005" oversize big end bore specification

CP-Carrillo connecting rods are trusted by professional engine builders in drag racing, road racing, and high-output street applications worldwide. The Bullet Series delivers the same core Carrillo engineering with centralized manufacturing efficiencies that pass savings along to the builder — making race-quality rods accessible for a wide range of performance builds.