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Description Fits LS1/LS6 (5.7L) Engines from Corvettes and Vortec (4.8L, 5.3L, 6.0L) GM trucksFits drive-by-cable applications with LS1 intake manifolds and 4L60E transmissions Top Street Performance WH1211 LS1/LS6 ECU Wiring Harness, Dive-By-Wire An LS engine swap is a no-brainer when it comes to adding some affordable horsepower to a project car, but any swap comes with its share of headaches, including wiring. That's where TSP's engine and transmission wiring harness comes in. It is designed ...

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