This plate lets you balance your externally balanced Chevy 383 or 400 engine with a neutral balance 350 manual flywheel or automatic transmission flexplate. 0.100" thick, this gets sandwiched between the crank and flexplate.
Pioneer Balance Plates are Road and race tested. Allows use of lighter 350 flywheel/flexplates to rev quicker. May not work on certain flywheels with the dished area in the middle. Precision stamped steel.
An FBP-1 Flywheel Balance Plate For Automatics
Allows the use of internally balanced 350 flywheels on a externally balanced 383 or 400 crank
Fits 2 piece rear main cranks only
Made of precision stamped stee
An FBP-2 Flywheel Balance Plate For Manual
Allows the use of internally balanced 350 flywheels on a externally balanced 383 or 400 crank