Check the listing for details. Bolt-On Lower GM Metric Trailing Arm Mounts - SSM 2.25" drop single hole, pair. Condition: New. Listed at 96.20 USD. Bolt-On Lower GM Metric Radius Rod Mounts - 2.25" Drop, single hole, pair PEM Part Number HMBL B-on SSMFits 3" OD rear end tubesfor stock General Motors Metric (mid-size) rear suspension radius rods4 bolts 1/2" coarse thread for strength on each mountSingle hole is at 2.25" (2 1/4") from bottom of rear end tube to center of hol. Legal in Souther LImited Modifieds.Raw Mild Steel, Not painted Disclaimer. Warning! Auto racing is a hazardous sport. No warranty or guarantee is made or implied regarding any racing product sold by Performance Engineering and Manufacturing, LLC. User assumes all risks. We will ship using UPS Ground or Priority Mail with Insurance and will send a Tracking/Delivery Confirmation Number after shipped. WARNING: Cancer And Reproductive Harm- www.P65Warnings.ca.gov