Curb Hoppers0My CartB&M Automotive (by Holley)FLEXPLATE FITS 1955 TO 1985 GM 400 CID SMALL BLOCK ENGINE. FOR EXTERNALLY BALANCED ENGINES USES A 168 TOOTH RING GEAR. HAS 10.75 INCH AND 11.5 INCH BOLT PATTERNS. COMPATIBLE WITH POWERGLIDE TH350 THListing ID: 925796UPC: 019695202323Manufacturer Part Number: 20232In Stock, 1 AvailableWill Ship Within 3 Days$185.01Brand NewCopyright (C) 2019-2023 Initial Holdings LLC dba Curb Hoppers. All Rights Reserved.