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The Industrial Injection S474 turbo add-on kit is specified for 1993–2002 Dodge compound installations, enabling an S474 turbo to be paired with an existing Phatshaft turbo where applicable; buyer must specify year and transmission. It’s intended to expand an existing compound setup by adding the S474 stage and should be selected with the vehicle and drivetrain details to confirm compatibility.
Industrial Injection 93-02 Dodge Compound Kit w/ S474 (Add Turbo to Phatshaft Turbo) - Spec Yr/Trans
