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Lanman1972 · 01-27-2018, 10:15 PM

Hope this helps,
Rear window, 13 1/2" inside pinch weld top to bottom, 56 1/4' middle, 58 1/4" at the bottom.

Front windshield, 21" inside pinch weld top to bottom, 59 3/8' middle, 61 1/8 at the lower notch in the pinch weld.

Good Luck,

01-27-2018, 10:15 PM	#6
Lanman1972 Registered User Join Date: Dec 2013 Location: Omaha NE Posts: 620	Re: 72 GMC Sierra Grande Hope this helps, Rear window, 13 1/2" inside pinch weld top to bottom, 56 1/4' middle, 58 1/4" at the bottom. Front windshield, 21" inside pinch weld top to bottom, 59 3/8' middle, 61 1/8 at the lower notch in the pinch weld. Good Luck, __________________ 1972 C10 Custom Deluxe LWB, 402/400, PS, PB, A/C, Highlander, Hugger / White 1971 C10 Cheyenne LWB (SWB), 350/350, PS, PB, A/C, Dark Olive / White.