Mr Gasket 929G – Distributor Mechanical Advance Curve Kit


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3 in stock

This kit includes three sets of springs which can be used in different combinations to provide full advance sooner than stock. Use lighter springs to bring the advance more quickly, and heavier springs to bring it in more slowly. Two new weights with nylon bushings are also included as are instructions to help with installation. Springs are color code as follows: Light Springs - Black Medium Springs - Silver Heavy Springs - Gold.
  • Brings in timing more quickly than stock for more torque and horsepower
  • Includes three sets of springs to allow for a wider range of custom tuning
  • Instructions included to help with installation

Additional information


1974-1979 GM HEI Distributors with E-Clips


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