1988 Chevrolet Monte Carlo Seat RiserReview Fitment Notes to Ensure Proper Fit
Action Crash Seat Riser; Capa Certified
Action Crash GMK4035507782C
Part Number: 3544-04102325
Notes: Goodmark - SEAT MOUNTING CROSSMEMBER; LOCATED INSIDE CAR
Quality: Capa Certified - Ensures the part fits, performs, and lasts the same as the original.
Product quality was good but was not what was pictured Didn't actually include seat mounts as pictured). Shipping was fast.
I have found the same item on the internet with the correct picture so you might want to update the photo.
Either way I have to now find the rest of what I need which sets back my timeline for finishing the project.