Crower ML93904B4-1 Features:

Crower Maxi-Light #4 Series connecting rod for SBC engines with 48 mm big end design 1.777 in. crank pin diameter and 1.890 in. big end bore for precise Small Block Chevrolet fitment Radial Beam Technology tapered beam design helps reduce rotating mass for high-rpm racing applications Precision CNC-machined from vacuum-degassed aircraft-quality steel alloy with 170,000 PSI tensile strength

Maxi-light #4 Crowerods S SBC 48 Mm 1.777 In. Features:

• 48 mm big-end design for SBC connecting-rod fitment, optimized rotating assembly geometry, and application-specific performance-engine compatibility
• 1.777 in. crank-pin diameter with 1.890 in. big-end bore for precise journal alignment, bearing support, and consistent high-load operation
• radial-beam tapered-beam construction for reduced reciprocating mass, proven reliability, and stable high-rpm performance in racing applications
• vacuum-degassed aircraft-quality steel alloy with 170,000 PSI tensile strength for fatigue resistance, durability, and lightweight strength
• precision CNC-machined and heat-treated single rod for balanced construction, repeatable tolerances, and dependable moderate-horsepower use