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The FAST XDi Street HEI distributor for Chevrolet Small and Big Block engines is a ready-to-run ignition upgrade featuring a 6-amp ignition module driving a custom-wound coil to 50,000+ volts for strong spark and clean firing to 8,500+ RPM. It uses a heat-treated steel gear compatible with common cam materials and includes lightweight advance springs plus an adjustable vacuum advance for tunability and improved throttle response.
FAST XDi HEI Distributor for Chevrolet Small Block & Big Block
