Balancers combine a precision, CNC-machined 1045 steel center that is bonded to a heavy-duty steel inertia ring that includes easy-to-read computer-etched timing marks. Meet SFI 18.1 specifications.
        
      - Engine Balance:
 - Internal
 - Safety Rating:
 - SFI 18.1
 - Degree Markings:
 - Yes
 - Degree Marking Range:
 - 50 BTDC to 10 ATDC
 - Outside Diameter (in.):
 - 6.150 in.
 - Keyway Quantity:
 - One
 - Crankshaft Pulley Bolt Hole Quantity:
 - Three
 - Material:
 - Steel
 - Construction:
 - Elastomer
 - Finish:
 - Black painted
 - Hardware Included:
 - No
 - Quantity:
 - Sold individually.
 - Notes:
 - TDC mark is located 10 degrees from keyway. Weight is 5.50 lbs.
 - Make:
 - Chevrolet
 - Engine Family:
 - Chevy small block Gen I
 - Engine Sizes:
 - 4.6L/283-5.7L/350
 - Years:
 - 1964-1973