BMW E30 Upgraded Differential Bushing Hardware Kit (Grade 10.9)

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Sale price$12.50 USD Regular price$15.00 USD


This bolt kit matches OEM measurements but is far superior when it comes to corrosion resistance, strength and durability.

Class 10.9 steel is at least 25% stronger than medium-strength steel screws. The flange distributes pressure where the screw meets the surface, eliminating the need for a separate washer.

  • Black-Phosphate Bolt
  • Black-Oxide Nut
  • Class 10.9 Steel
  • Flanged Hex Head
  • Black corrosion-resistant-coated steel is more corrosion resistant in wet environments than zinc-plated steel 
  • Screws meet ISO 898-1 and comply with specifications and testing requirements for material quality.

    Kit Includes:

    (x1) 10.9 Grade Flanged Hex Head Bolt

    (x1) 10.9 Grade Flanged Hex Head Nut


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