**UPS Next Day Air & Worldwide Express is now guaranteed (*Saturday delivery is an additional charge & must be noted on the order*). All other service guarantees are suspended until further notice so some shipments may be delayed**
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Rick's Motorsport Electrics, Inc offers both OEM style and Hot Shot Series aftermarket replacement CDI boxes. The only real way to test your CDI box is to swap it out with another known good unit from the same year/make/model. Because of this, we recommend that you rule everything else out before replacing the CDI box. There are so many factors that can cause a CDI box to go out, which is why it's the only product that we sell without a warranty.