Carrillo BBCRE5331-030 Big Block Chevy Pro-H H-Beam Connecting Rod

The Carrillo BBCRE5331-030 is a high-performance connecting rod engineered for Big Block Chevrolet applications. Built to withstand the extreme demands of race and high-performance street engines, this rod is manufactured in the USA from Carrillo's proprietary Carrilloy steel — a chrome, nickel, moly, vanadium alloy that meets all VAR (Vacuum Arc Re-Melt) ASTM standards, delivering exceptional tensile strength and fatigue resistance.

Key Features:

• Application: Big Block Chevrolet (BBC) engine families
• Construction: Forged H-beam design machined from oversized proprietary steel forgings for proper grain flow and guaranteed removal of surface inclusions
• Material: Proprietary Carrilloy chromoly steel (chrome, nickel, moly, vanadium alloy) — VAR certified
• Fasteners: High-strength rod bolts with asymmetrical threads for improved clamp load and fatigue life; compatible with WMC or CARR bolt systems
• Wrist Pin: Floating pin design for reduced friction and even load distribution
• Finish: CNC machined to precise tolerances — weight matched and blueprint verified
• Made in the USA by CP-Carrillo, a trusted name in professional motorsports

Each Carrillo connecting rod undergoes rigorous inspection and is supplied with a detailed spec sheet documenting individual rod measurements and the proper torque and stretch values for the rod bolts. Sold individually. Designed for builders who demand OEM-beating strength, reduced reciprocating mass, and race-proven reliability in Big Block Chevy builds.