Eagle CRS5233M3D-1 H-Beam Connecting Rod Mazda Miata B6/BP 1.6L 1.8L

The Eagle CRS5233M3D-1 is a high-performance H-beam connecting rod designed for Mazda Miata 1.6L and 1.8L B6/BP engines. Engineered for serious performance builds, this individual connecting rod is forged from premium SAE 4340 steel using a two-piece forging process that creates superior grain structure for exceptional strength and fatigue resistance.

Key Features:

• Forged from vacuum-degassed, certified 4340 steel for outstanding strength-to-weight ratio
• H-beam design provides optimal rigidity while maintaining light weight at 535 grams per rod
• 5.233-inch center-to-center length for stock stroke applications
• Equipped with 3/8-inch ARP 2000 bolts rated to 200,000 psi tensile strength
• Precision alignment sleeves ensure accurate cap location and durability
• Multi-stage heat-treated, X-rayed, sonic-tested, and magnafluxed for quality assurance
• 100% CNC machined and shot-peened to stress-relieve the metal
• Sized using Sunnen Krossgrinding system for perfect housing bore accuracy
• Silicon bronze bushings for floating wrist pin style (0.787-inch pin bore)
• 1.890-inch big end bore diameter with 0.858-inch width
• Rated up to 900 horsepower in 4-cylinder applications

This single rod is ideal for replacement purposes or custom builds where individual rods are needed. Eagle's enhanced 4340 steel formula includes higher nickel and chrome content for increased strength without brittleness, making it suitable for competition use and high-stress applications.