Advance Curve Kit - GM HEI Distributor

Advance Curve kit for GM HEI Distributors

PART# 929G

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Tune your GM HEI advance curve to make more power with Mr. Gaskets GM HEI advance curve kit. Kit includes weights, center plate, nylon bushings, & various springs to fine to your timing curve to make your engine run its best. Light Springs - Black Medium Springs - Silver Heavy Springs - Gold


  • Fits 1974-79 GM HEI Distributors With E-clips
  • Includes Detailed Instructions
  • Weights Springs Center Plate And Nylon Bushings


BrandMr. Gasket
Emission Code3
Product TypeDistributors and Components
WarrantyLimited 90 Day Warranty
Part Number929G


This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

Racing Vehicles are vehicles that are used exclusively for racing or other forms of competition that are not registered and that may never be used on the street.

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      *Free Shipping & Handling only offered to the contiguous US on orders over $100.

      Some parts are not legal for use in California or other states with similar regulations.