EARLY OLDSMOBILE ULTRA LIGHT WEIGHT BILLET STEEL FLYWHEEL . FITS 1964 T0 1967 OLDS 330,400,425 .THESE FLYWHEELS ARE DRILLED TO BOLT TO THE EARLY 330 STEEL CRANKS AND THE EARLY 400,425 STEEL CRANKS .THESE FLYWHEELS ARE BRAND NEW AND VERY HARD TO FIND …

THESE FLYWHEEL ALSO HAVE A BOLT ON WEIGHT WHICH WILL ALLOW THESE FLYWHEELS TO BE EXTERNAL BALANCED ( FACTORY BALANCED ) OR SIMPLY REMOVE WEIGHT AND ITS A NEUTRAL BALANCED ( O BALANCE) .