FLYWHEELS AND FLEXPLATES
Chevrolet Performance offers both internally and externally balanced flywheels and flexplates. It is critical that you use the correct design for your specific engine application. Engines with one-piece crankshaft seals require externally balanced flywheels or flexplates (except for ZZ427, ZZ572/620, ZZ572/720R and the Anniversary Edition 427).
Part Number: 471598
Year Of Engine: 1965-present(Big-Block) 1955-1985(Small-block)
Outside Diameter: 14"
Crank Flange Bolt Pattern: 3.580"
Converter Bolt Pattern: 10.750" and 11.5"
Starter Ring Gear Teeth: 168
Technical Notes: For internally balanced engine with 2-piece crank seal. Use with 572/620 crate engine. Has dual-converter pattern. .120” thick