Federn Kit Verteiler GM HEI
Chevy SB BB Chevrolet GMC
Verschiedene Federn zum Anpassen der Fliehkraftverstellung.
HEI Advance Curve Kit
Recurve a GM HEI for full spark advance and high RPM.
Contains weights, centerplate, 3-sets of springs, 4 nylon bushings.
When the advance kit is installed correctly, the weights and centerplate control the start/stop points of the advance curve.