Amazon.com: RAM Mounts Diamond Ball Base RAM-238U with C Size 1.5" Ball : Everything Else
1.5 Inch Lifted Ram 1500 TRX | Rough Country
19-UP RAM 1500 2/4WD 0-1.5" STAGE 5 SUSPENSION SYSTEM W TUBULAR UCA 19-UP RAM 1500 2/4WD 0-1.5" STAGE 5 SUSPENSION SYSTEM W TUBULAR UCA - Icon Vehicle Dynamics
RAM Mount Plastic Standard Arm with 1 inch and 1.5 inch Socket