American Speed & Racing HEI advance curve kit is designed for use on all 1974-79 non-computer GM HEI distributors with E-clips. This kit includes two weights, center plate, three sets of color-coded springs, & nylon bushings..
Three sets of advance springs, which allows you to adjust the rate of spark advance from quick, to super-quick, to ultra-quick. Each weight and centerplate are precision-stamped with smooth edges to eliminate erratic timing.
This part fits the following applications:
- BUICK 1974 - 1979
- CADILLAC 1974 - 1979
- CHEVROLET 1974 - 1979
- GMC 1974 - 1979
- OLDSMOBILE 1974 - 1979
- PONTIAC 1974 - 1979
Price: $9.95
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