40 Series External Cup 1-1/8''

• 40-Series Represents the Perfect Balance of Performance, Durability and Value
  
• Internally Contoured 6061-T6 Aluminum Cups and Cover
  
• Innovative Clip-Seal Seals the Top Assembly and Captures the Compression Ring
  
• Interlok Spacer Compatible
  
• Sealed Black Oxide Steel Cartridge Bearing
  
• Consistent Stack Heights Across 10, 40 and 110-Series
  
• Internal Parts Are Cross-Compatible Across 10, 40 and 110-Series

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