6-1/2" Billet Aluminum Water Tank Cap

6-1/2" Billet Aluminum Water Tank Cap

Part Number:21-0016
Your Price: $124.95
Check out these new RRC Billet aluminum water tank caps. 

  • 8" Diameter Mounting Ring with 6" Diameter Opening - Requires 6-3/4" Mounting Hole
  • 6-1/2" Billet Aluminum Cap  
  • Special Thread profile to help prevent cross threading
  • Ultra lightweight flush mount design with O-Ring seal. 
  • Comes with all necessary mounting hardware. 
Note: These caps are designed to fit other manufacturers tanks, these will NOT work with our tanks. Our tanks will require the larger 8" Diameter cap due to the larger 8-1/4" opening found in our tanks. 

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