Carrillo SCR4584-1 Pro-A 3/8 WMC Bolt Connecting Rod Single - Mazda MZR 2.0 / Ford Duratec 2.0

The Carrillo SCR4584-1 is a single Pro-A beam forged connecting rod engineered for the Mazda MZR 2.0 and Ford Duratec 2.0 engines. Manufactured in Irvine, California from CP-Carrillo's proprietary Carrilloy steel — a chrome, nickel, molybdenum, and vanadium alloy meeting VAR (vacuum arc re-melt) ASTM standards — this rod is built to handle the extreme loads of turbocharged, supercharged, and high-compression performance builds.

Key Specifications:

• Beam Design: Pro-A (A-beam configuration)
• Rod Length: 5.758 inches center-to-center
• Wrist Pin: 21mm, bushed full-floating design
• Rod Bolt: 3/8" WMC (H-11 tool steel) bolt — rated for approximately 15–18 torque cycles
• Advertised Weight: 488g per rod
• Quantity: Single rod (1 piece)
• Made in the USA

Key Features:

• Forged from oversized proprietary Carrilloy steel billets for proper grain flow and elimination of surface inclusions
• Full-floating wrist pin bushing reduces pin bore wear and allows precise piston motion
• Pro-A beam profile offers an optimized balance of weight reduction and tensile strength for high-RPM performance applications
• Every rod ships with a specification card listing part number, critical dimensions, weight, and bolt installation data
• CP-Carrillo offers a recon service for inspection, magnaflux testing, re-honing, and re-bushing to extend service life

Sold as a single connecting rod — ideal for replacing a damaged unit or completing a custom build. This is a special order item; orders cannot be cancelled once placed.