Here's a picture of a couple of later 1960-63 NOS GMC latch strike plate kits (courtesy of Brad Allen) that includes the serrated anchor plates (circled in red in snapshot below) among the parts that make up the complete kit.
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Last edited by Gdads51; 08/30/2026 2:41 AM. Reason: and year range

~ Dan
1951 Chevy 3 window 3100
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"My Grandpa Carl's Truck and How it Became Mine"
1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver)
US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)