Eagle eaglCRS5900MA3D Forged 4340 Steel H-Beam Connecting Rods for Mitsubishi 4G63, Set of 4

Forged 4340 steel H-Beam connecting rods are forged from a two-piece forging and feature a fully machined and shot-peened surface. Sizing is held to exact tolerances. Sold as a weight-matched set. Equipped with ARP 2000 bolts for even more power-handling capability. Recommended for competition use. Forged 4340 Steel H-Beam Rods - MITSUBISHI 4G63 (89-92). Torque to 43 ft-lbs, ARP moly lube ONLY. MITSUBISHI 4G63 (89-92)

Upgrade the rotating assembly of your first-generation Mitsubishi 4G63 engine with Eagle Forged 4340 Steel H-Beam Connecting Rods. Part number eaglCRS5900MA3D is designed for competition applications and is supplied as a weight-matched set of four rods. Each rod is produced from a two-piece forging, then fully machined and shot-peened to provide consistent sizing, reliable fitment, and improved durability under demanding engine conditions.

These Eagle connecting rods feature 21mm piston pin compatibility and are fitted with ARP 2000 bolts to enhance power-handling capability. Precise manufacturing tolerances help support dependable assembly, while the H-beam design provides strength for high-performance applications. When installing, torque the bolts to 43 ft-lbs using ARP moly lubricant only. Professional installation and verification of clearances, fastener stretch, and rotating assembly balance are recommended.

Key Product Specifications & Technical Data

• Brand: Eagle
• Part Number: eaglCRS5900MA3D
• Application: Mitsubishi 4G63 engine
• Engine Generation: First-generation applications from 1989 through 1992
• Material: Forged 4340 steel
• Rod Design: H-beam construction
• Piston Pin Compatibility: 21mm piston pins
• Fasteners: ARP 2000 rod bolts

What's Included in the Box

• Four Eagle forged 4340 steel H-beam connecting rods
• ARP 2000 rod bolts

Fitment

Fits select 1990-1992 Mitsubishi Eclipse, 1990-1992 Eagle Talon, and 1990 Plymouth Laser models equipped with the Mitsubishi 4G63 engine. Confirm engine year, configuration, piston pin size, and application requirements before ordering.

Features:

• Forged 4340 steel construction provides strength and durability for competition-oriented engine builds.
• H-beam design supports improved power handling in demanding high-performance applications.
• Fully machined and shot-peened surfaces promote consistent sizing and enhanced fatigue resistance.
• Weight-matched set of four with ARP 2000 bolts supports balanced rotating assembly performance and secure high-load operation.

Fitments:
1990 Eagle Talon TSi
1990 Mitsubishi Eclipse GS
1990 Mitsubishi Eclipse GSX
1990 Plymouth Laser RS
1991 Eagle Talon TSi
1991 Mitsubishi Eclipse GS
1991 Mitsubishi Eclipse GSX
1991 Plymouth Laser RS
1992 Eagle Talon TSi
1992 Mitsubishi Eclipse GS
1992 Mitsubishi Eclipse GSX
1992 Plymouth Laser RS

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1