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Keith Seymore · 10-18-2023, 10:16 AM

Speaking of stickers: An optional tire will also appear on the SPID if you still have the label in the glovebox.

Tire RPOs are Xxx (front), Yxx (rear) and Zxx (spare).

K

10-18-2023, 10:16 AM	#5
Keith Seymore Registered User Join Date: May 2009 Location: Motor City Posts: 9,169	Re: What was the factory tire size on 87? Speaking of stickers: An optional tire will also appear on the SPID if you still have the label in the glovebox. Tire RPOs are Xxx (front), Yxx (rear) and Zxx (spare). K Attached Images __________________ Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/ Last edited by Keith Seymore; 10-19-2023 at 12:44 PM.