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    Walbro 255LPH 99+ LS1 Direct Replacement In Tank
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    {"tags":["Fuel Pumps","Fuel System","On Sale"]}
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    Aerospace
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    {"tags":["Brake Upgrade Kits"]}
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    {"tags":["Brake Upgrade Kits"]}
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    {"tags":["Brake Upgrade Kits"]}
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    {"tags":["04-06 Pontiac GTO","05-10 Charger Magnum 300","05-10 Corvette C6","05-10 Mustang 4.6 5.4L","2008+ Challenger","2010+ Camaro","2011+ Mustang 5.0","79-93 Mustang 5.0","93-97 F-Body LT1","94-95 Mustang 5.0","96-04 Mustang 4.6","97-04 Corvette C5","98-02 F-Body LS1","Gauges","On Sale","Performance & Data Loggers","Wide Band Gauges","Wide Band Sensors"]}
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    $221.54 $294.35
    {"tags":["Gauges"]}
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    NOS
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    NITROUS EXPRESS
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    TCI AUTOMOTIVE
    TCI EZ-TCU 4L60E/4L80E Stand Alone Controller
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    {"tags":["Engine Management Systems & ECUs","LSX Conversion","PSI","Wire Harnesses & Accessories"]}
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    {"tags":["Car & Light Truck ECU Programming","Diablosport Predator U7135 Programmer"]}
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    Sho-Me Speed
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    $250.00
    {"tags":["96-04 Mustang 4.6","98-02 F-Body LS1","Car & Light Truck ECU Programming","Engine Management Systems & ECUs","Featured Products","LSX Conversion","LSX Conversions","On Sale"]}
    Infinity-8 Stand-Alone Programmable Engine Management System Infinity-8 Stand-Alone Programmable Engine Management System
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    $2,554.56 $3,379.04
    {"tags":["04-06 Pontiac GTO","05-10 Corvette C6","2010+ Camaro","97-04 Corvette C5","98-02 F-Body LS1","Car & Light Truck ECU Programming","Engine Management Systems & ECUs","LSX Conversion","New Arrivals","Wire Harnesses & Accessories"]}
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    $748.63
    {"tags":["04-06 Pontiac GTO","05-10 Corvette C6","2010+ Camaro","97-04 Corvette C5","98-02 F-Body LS1","Engine Management Systems & ECUs"]}
    AEM Electronics Interconnect Cables
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    $13.64
    {"tags":["Engine Management Systems & ECUs"]}
    2004-2007 VORTEC ENGINE PCM WITH PROGRAMMING
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    $300.00
    {"tags":["04-06 Pontiac GTO","05-10 Charger Magnum 300","05-10 Corvette C6","05-10 Mustang 4.6 5.4L","2008+ Challenger","2010+ Camaro","2011+ Mustang 5.0","79-93 Mustang 5.0","93-97 F-Body LT1","94-95 Mustang 5.0","96-04 Mustang 4.6","97-04 Corvette C5","98-02 F-Body LS1","Car & Light Truck ECU Programming","Engine Management Systems & ECUS","Featured Products","Launch Control","New Arrivals","On Sale","Performance & Data Loggers","product category: Electronics"]}
    32 Tooth Drive Shaft RPM Ring 32 Tooth Drive Shaft RPM Ring
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    32 Tooth Drive Shaft RPM Ring
    $199.99 $250.00
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      Walbro 255LPH 99+ LS1 Direct Replacement In Tank
      WALBRO
      Walbro 255LPH 99+ LS1 Direct Replacement In Tank
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      {"tags":["Fuel Pumps","Fuel System","On Sale"]}
      Genuine Walbro GSS340 255LPH in Tank
      WALBRO
      Genuine Walbro GSS340 255LPH in Tank
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      Aerospace 2 Piston Medium Duty Front Drag Race Kit 71-80 Pinto, Mustang II
      Aerospace
      Aerospace 2 Piston Medium Duty Front Drag Race Kit 71-80 Pinto, Mustang II
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      {"tags":["Brake Upgrade Kits"]}
      Aerospace 4 Piston Heavy Duty Front Drag Race Kit 62-63 Chevy II
      Aerospace
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      {"tags":["Brake Upgrade Kits"]}
      Aerospace 4 Piston Heavy Duty Front Drag Race Kit 61-63 Impala
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      {"tags":["Brake Upgrade Kits"]}
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      Aerospace 4 Piston Heavy Duty Front Drag Race Kit 55-62 Corvette
      $925.00
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      {"tags":["04-06 Pontiac GTO","05-10 Charger Magnum 300","05-10 Corvette C6","05-10 Mustang 4.6 5.4L","2008+ Challenger","2010+ Camaro","2011+ Mustang 5.0","79-93 Mustang 5.0","93-97 F-Body LT1","94-95 Mustang 5.0","96-04 Mustang 4.6","97-04 Corvette C5","98-02 F-Body LS1","Gauges","On Sale","Performance & Data Loggers","Wide Band Gauges","Wide Band Sensors"]}
      AEM Wideband Gauge AEM Wideband Gauge
      Sale
      AEM
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      $221.54 $294.35
      {"tags":["Gauges"]}
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      AEM
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      {"tags":["Sensors"]}
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      AEM MAP Sensor, Bosch-Style, 5-Bar
      $178.49 $211.40
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      ZEX Dual Nitrous Purge Kit
      ZEX
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      {"tags":["Nitrous"]}
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      {"tags":["Nitrous"]}
      Nitrous Express NX EFI Wet Kit Camaro Mustang GT LS1
      NITROUS EXPRESS
      Nitrous Express NX EFI Wet Kit Camaro Mustang GT LS1
      $469.99
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      Z-Gate Shifter
      $251.95 $279.99
      {"tags":["Transmissions"]}
      TCI EZ-TCU 4L60E/4L80E Stand Alone Controller
      TCI AUTOMOTIVE
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      $769.99
      {"tags":["Transmissions"]}
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      {"tags":["Engine Management Systems & ECUs","LSX Conversion","PSI","Wire Harnesses & Accessories"]}
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      {"tags":["Car & Light Truck ECU Programming","Diablosport Predator U7135 Programmer"]}
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      Sho-Me Speed
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      {"tags":["96-04 Mustang 4.6","98-02 F-Body LS1","Car & Light Truck ECU Programming","Engine Management Systems & ECUs","Featured Products","LSX Conversion","LSX Conversions","On Sale"]}
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      AEM
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      $2,554.56 $3,379.04
      {"tags":["04-06 Pontiac GTO","05-10 Corvette C6","2010+ Camaro","97-04 Corvette C5","98-02 F-Body LS1","Car & Light Truck ECU Programming","Engine Management Systems & ECUs","LSX Conversion","New Arrivals","Wire Harnesses & Accessories"]}
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      {"tags":["04-06 Pontiac GTO","05-10 Corvette C6","2010+ Camaro","97-04 Corvette C5","98-02 F-Body LS1","Engine Management Systems & ECUs"]}
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      {"tags":["Engine Management Systems & ECUs"]}
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      {"tags":["04-06 Pontiac GTO","05-10 Charger Magnum 300","05-10 Corvette C6","05-10 Mustang 4.6 5.4L","2008+ Challenger","2010+ Camaro","2011+ Mustang 5.0","79-93 Mustang 5.0","93-97 F-Body LT1","94-95 Mustang 5.0","96-04 Mustang 4.6","97-04 Corvette C5","98-02 F-Body LS1","Car & Light Truck ECU Programming","Engine Management Systems & ECUS","Featured Products","Launch Control","New Arrivals","On Sale","Performance & Data Loggers","product category: Electronics"]}
      32 Tooth Drive Shaft RPM Ring 32 Tooth Drive Shaft RPM Ring
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    • LSX Conversion
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    • PSI Conversions
    • PSI Conversions

    Performance Systems Integration specializes in the design and manufacture of Standalone Wiring Harnesses for GM Gen II, III, and IV LS based engines and transmissions. These harnesses include the Gen II LT1/LT4, Gen III (24x) LS1/LS6 and Vortec Truck Engines as well as Gen IV (58x) LS2, LS3 and LS7 Engines. In addition to wiring harnesses, you will find other components and kits for retrofitting older vehicles with these powertrains including PCM programming, Fuel Pump Kits, Engine Sensors, Extension Harnesses, Replacement GM connector pigtails and a complete line of hardware to complete your conversion needs!

    PSI has a growing reputation for Outstanding Customer Service, Superior design and Exceptional quality.

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