"I Need Spacers..." But OE Spacer likely Isn't your problem(s) w/ loose latch, leaks, etc.
Bent latch parts, Bent Roof where the two bolt heads attach for the latch, bend front "ears," holes on roof or both are damage, and more can cause leaks, air noise, or both.
Example: 2 latch bolts aren't studs welded to the roof. Their loose "carriage bolts" w/ very small heads put into "keyhole" openings and the keyhole bents when anything hits glass while open, latch too tight, and likely other reasons. So installing a "spacers fix" w/o fixing the keyholes is only to bend them more and may tear out the bolt heads doing more damage.
Adding more or changing Spacers only last short term to many because don't fit the real problem(s).
Many people replacing roof seal often have same problems and old seal wasn't bad. Most replacement seals are thicker and puts more strain on damage weak parts.
Use search to find older threads on this.
Dr. Ian Malcolm: Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should.
The Ogre's Fiero Cave