OLDSMOBILE BILLET DOUBLE ROLLER TIMING CHAIN AND GEARS . THIS DOUBLE ROLLER HAS ALL THE DIFFERENT MARKS AND SETTING TO RETARD AND ADVANCED WITH EASE . IT FITS ALL OLDSMOBILE 307,330,350,403 SMALL BLOCK AND 400,425,455 BIG BLOCK FROM 1964 TO 1987 .

REMEMBER TECH IS ALWAYS FREE . OUR COMPANY IS OLDS ROCKET PARTS . WE ARE OPEN 7 DAYS A WEEK . WEEKENDS AND EVENINGS . NO QUESTION TO SMALL .