i have a hayes flywheel. it started out wiTH A HAYES CLUTCH AND PRESSURE PLATE BUY IT CAME A PART THE FLYWHEEL IS SUPPOSE TO BE BALANCE WITH tHE CRANK WHAT I GOT IN IT NOW IS A BORG AN WARNER SET UP LAST ABOUT 3 YRS WONT HOLD .MY MOTOR FACTORY CAME 425 HP ITS BORE 60 OVER NEVER DYNO TESTED BUT...