Spark Advance - Street Fire - Mechanical Advance Kit - WEIGHTS/SPRINGS - GM/STREET Fire Hei Distributors - Kit
MSD IGNITION  |  Part# MSD-8428   More Details...

$53.85

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Spark Advance - Mechanical Advance Spring Kit - Adjustable - GM Hei V8 - Kit
TRANS-DAPT  |  Part# TRA-4933   More Details...

$11.39

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Distributor Spark Advance Weights - PRO-BILLET - MSD Mechanical Advance Distributors - Kit
MSD IGNITION  |  Part# MSD-8628   More Details...

$24.71

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