MSD LS 2-Step Launch Controls, LS & LT Applications

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MSD LS 2-Step Launch Controls, LS & LT Applications This 2-Step connects right to your late model GM to produce consistent launches and quicker 60-foot times by setting an RPM limi t to stage with. Designed for Manual and Automatic Transmissions. 2-Step Rev Limiter for LSx & LTx engines Plug and Play Show more