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GM - LS1 PERFECT ENGINEMANAGEMENT SYSTEM The new Painless PERFECTTM Engine Management System solves the dilemma faced by so many people who want to upgrade their hot rod, classic truck or SUV to fuel injection: which ECM to use and how to program it for maximum performance in a transplant environment. Why hassle with expensive complicated aftermarket fuel injection systems that require extensive programming and mapping? With the PERFECTTM system from Painless you dont have to be a rocket scientist to get maximum performance. The PERFECTTM system consists of two key components:
A compact, waterproof ECM fully programmed by Painless and dyno-tested for maximum horsepower, torque and fuel economy when used with a stock factory original fuel injected engine. Absolutely no programming of the computer required - just plug and play.
A custom Painless Fuel Injection Wiring Harness designed for simple and straight forward installation using OEM connectors. 1997 - 02 5.7L GM LS1 applications
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Bell housings
Air & Fuel