GMS Performance Ignition Wires
Granatelli Motor Sports is a name synonymous with American speed, performance, and engineering excellence
With a legacy spanning more than 70 years, Granatelli is not just a performance parts manufacturer—we are a family-built institution rooted in the history of motorsports, driven by innovation, and trusted by racers, builders, and performance enthusiasts around the world
What started with grassroots hot rod building in post-war Chicago quickly evolved into a motorsports empire
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