Quarter Window Seals - HELP!!!

[74Canuck]

My 74 K5 needs new seals for the quarter windows in the fiberglass top. They are an S shap with the chrome lock strip. LMC have seals for 76 and up. What changed from the 73-75 design to the 76-80 design? Will the 76 seals work in my top? Thanks....Gary

 

[Metrodps]

http://www.classicparts.com/prodinfo.asp?number=01-842

Blazer Rear Qtr Glass W/S-Chrome Lock Strip
74-91 Part# : 01-842
Price: $64.95

Weatherstrip for side windows in Blazer removable top. Includes chrome lock strip and lock strip clip. Fits (1974-80) Blazer-All and (1981-91) Blazer without Deep Tint Glass Option. Priced per side window.

Looks like there the same.