Billet aluminum. Used with 5" OD conventional springs. Ring ID: 3 3/4" OD to fit the inside of the springs. For truck arm suspension rear ends.
(2) aluminum upper rear spring cups 5" spring 3 3/4" OD late Model Nascar
For 2007-18 Silverado Sierra 2-4" Lift Gold Aluminum Upper Control Arms UCA Kit
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For 2007-18 Silverado Sierra 2-4" Lift Kit Grey Aluminum Upper Control Arms UCA
2003-2011 Saab 9-3 2.0T Upper Radiator Hose Aluminum Coolant Tee T 12787608
CNC Billet Aluminum Upper Control Arms 2-4" Lift Kit for 2005-2023 Toyota Tacoma