Advance Curve Kit GM HEI

Advance curve kit can “recurve” your distributor for full spark advance at the optimum RPM. Fits all GM HEI distributors. A specially designed centerplate eliminates over-centering of the centrifugal weights. Three sets of advance springs allow you to adjust the rate of spark advance from quick, to super-quick, to ultra-quick. Weights and centerplates precision stamped with smooth edges eliminate erratic timing. Kit comes with complete installation instructions.

SKU: 085 72300

$17.99

$17.99

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