Curb Hoppers0My CartB&M Automotive (by Holley)20233 FLEXPLATE for 1990- GM 454 CID BIG BLOCK EXTERNALLY BALANCED V8 ENGINE USES A 168 TOOTH RING GEAR AND HAS 10.75 INCH AND 11.5 INCH BOLT PATTERNS. COMPATIBLE WITH POWERGLIDE TH350 TH400 AListing ID: 925285UPC: 019695202330Manufacturer Part Number: 20233In Stock, 1 AvailableWill Ship Within 3 Days$168.73Brand NewCopyright (C) 2019-2023 Initial Holdings LLC dba Curb Hoppers. All Rights Reserved.