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Painless kits provide you with complete wiring harnesses to install a stand-alone, closed loop system. All kits include OEM color coded TXL 600 volt/125c wire for easy identification, foolproof connectors, instruction book w/diagrams and a factory help line.
GM 1986-92 TPI with Speed Density For TPI systems using MAP sensor or Speed Density on GM 5.0L and 5.7L V8s. 1990-92 motors require either a Painless computer chip or complete VATS (Vehicle Anti-Theft System) module.
