Compatible with 1957-1985 Small Block and 1965-1970 396-427 Big Block Chevrolet, 168-Tooth, Internal Balanced, dual torque converter bolt pattern.; Hays heavy duty Flexplate for high performance competition Chevy engines are constructed of a thicker than stock steel plate. This enables them to withstand the stress of high-stall torque converters and high-RPM engines. These flexplates are supplied with a ring gear that is securely welded in place and feature a dual bolt pattern for use with a Powerglide or Turbo style torque converter. This flexplate has a 168 tooth ring gear and fits the internal balance Chevy V8 engines. It is S.F.I. 29.1 certified and zinc dichromate plated to resist corrosion.;
S.F.I. 29.1 Certified Internal Balance for 396, 402, and 427 Engines 168 Tooth Ring Gear Zinc Dichromate Plated Heavy Duty design is 0.030″ thicker than stock flexplate









