This connecting rod rebuild kit is designed for the 1981–1982 MAICO 490 models and includes all essential components for a complete rod replacement. Engineered for durability, it features heavy-duty materials and precise manufacturing standards to ensure performance and compatibility with both OEM and aftermarket crankshafts.

Features

• Heavy-duty OE replacement connecting rod

• Manufactured from certified chrome alloy steel (SNCM220) for superior strength

• Crankpins made from hot-rolled ASTM steel and case hardened

• Equipped with caged needle roller bearing design for high RPM longevity

• Bronze phosphor thrust washers with silver coating

• Complete rod assembly includes rod, crankpin, crankpin bearing, top end bearing, and thrust washers (if needed)

• Fully compatible with aftermarket and OEM crankshafts

Specifications

• Centre-to-centre length: 137 mm

• Small end bearing: 18x22x23.5 mm

• Small end bore diameter: 22 mm

• Small end width: 20 mm

• Big end bearing: 25x31x19.8 mm

• Big end bore diameter: 31 mm

• Big end width: 20 mm

• Big end pin diameter: 25 mm

• Big end pin length: 64 mm

• Washer dimensions: 25x42x1 mm

Cross-Reference OEM Part Numbers

• 03.1553

Vehicle Fitments

• MAICO 490 (1981–1982)