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)