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PAINLESS PERFORMANCE EFI

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10% Off
Regular price $593.99
Sale price $593.99
Regular price $659.99
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Engine: 4.8L, 5.3L, 6.0L w/ Mechanical Throttle BodyTrans.: 4L60E, 4L65E, 4L70E, 4L80E, 4L85E, or manual This harness is standalone and is not intended to replace the OEM engine wiring.  Standalone...
10% Off
Regular price $653.39
Sale price $653.39
Regular price $725.99
Unit price
per 
Engine: 4.8L, 5.3L, 6.0L w/ Throttle By WireTrans.: 4L60E, 4L65E, 4L70E, 4L80E, 4L85E, or manual This harness is standalone and is not intended to replace the OEM engine wiring.  Standalone harness...