PSI Accessories

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Ls Engine Ground Kit

SKU: KIT-1025

KIT-1025

$49.99

(7)
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Tcc/Brake Switch Kit

SKU: KIT-1002

KIT-1002

$24.00

(20)
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LS1 Pcm Mounting Bracket

SKU: ACC-1030

ACC-1030

$29.00

(4)
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GEN IV & V & Holley LS2/LS3 Accelerator Pedal (2007 - Current)

SKU: ACC-1007

ACC-1007

$129.99
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GM LS3 Mass Air Flow Sensor (Maf)

SKU: ACC-1005

ACC-1005

$85.00

(4)
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GM LS3 Maf Sensor Holder

SKU: ACC-1006

ACC-1006

$21.99
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Oxygen Sensor, 4 Wire Triangular Black Gen IV (E38 E67))

SKU: ACC-1003

ACC-1003

$85.00
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Gen III Vortec Truck Pedal, Steel (2001 - 2007) 9 Pin

SKU: ACC-1008

ACC-1008

$145.00
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Gen III Vortec Truck Tac Module (2003 - 2007) (242 PCM)

SKU: ACC-1011

ACC-1011

$179.00

(2)
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Corvette Fuel Filter/Pressure Regulator

SKU: ACC-1028

ACC-1028

$55.00

(1)
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Gen III C10 & Square Body & Obs Swap Pedal (2001 - 2007) 9 Pin

SKU: ACC-1049

ACC-1049

$115.00

(15)
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OBD 2 Port Splitter

SKU: ACC-1052

ACC-1052

$29.95

(3)
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DIY Braided Woven Loom Kit

SKU: PSI-F6KIT2

BRD-1001

$79.99

(1)
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Fan Relay Kit

SKU: KIT-1010

KIT-1010

$49.00

(16)
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GM LS Engine Gauge Installation Kit

SKU: KIT-1027

KIT-1027

$19.99
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Electronic Fan Controller 70 Amp With Bluetooth Control

SKU: PAC-2800BT

PAC-2800BT

$164.95
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Braided Woven Loom Harness Installed Option

SKU: BRD-1002

BRD-1002

$125.00

(1)
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GM Gen V Oil Port Plug

SKU: ACC-1059

ACC-1059

$25.00
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Set of 8 FAST 36 Lb/Hr EV1 Fuel Injectors, Emissions-Legal

SKU: ACC-1070

ACC-1070

$445.00

Looking for an Affordable, In Stock, Plug and Play wiring harness for your LS Swap? PSI sells Standalone Wiring Harnesses for GM Gen II, III, IV, & V LS/LT 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, LS7, & Vortec and GEN V LT / ECOTEC3 Engines. All PSI Harnesses are Made in the USA. In addition to wiring harnesses, PSI carries Holley Products, Vintage Air A/C, Dakota Digital Gauges, HPTuners and PCM programming, Fuel Pump Kits, Engine Sensors, Extension Harnesses, Replacement GM connector pigtails and a complete line of hardware to complete your conversion needs!

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Sensors, Accessories & Pigtails for LS Swaps

Brake Switch Kits / Ground Strap Kits / Fan Kits / Tools

Mass Air Flow Sensors

LS/Vortec Extensions

Adapter Harnesses

Paddle Shifters

Oxygen Sensors

LS/Vortec Pigtails

LT1 Extensions

Ls Engine Ground Kit

Tcc/Brake Switch Kit

LS1 Pcm Mounting Bracket

GEN IV & V & Holley LS2/LS3 Accelerator Pedal (2007 - Current)

GM LS3 Mass Air Flow Sensor (Maf)

GM LS3 Maf Sensor Holder

Oxygen Sensor, 4 Wire Triangular Black Gen IV (E38 E67))

Gen III Vortec Truck Pedal, Steel (2001 - 2007) 9 Pin

Gen III Vortec Truck Tac Module (2003 - 2007) (242 PCM)

Corvette Fuel Filter/Pressure Regulator

Gen III C10 & Square Body & Obs Swap Pedal (2001 - 2007) 9 Pin

OBD 2 Port Splitter

DIY Braided Woven Loom Kit

Fan Relay Kit

GM LS Engine Gauge Installation Kit

Electronic Fan Controller 70 Amp With Bluetooth Control

Braided Woven Loom Harness Installed Option

GM Gen V Oil Port Plug

Set of 8 FAST 36 Lb/Hr EV1 Fuel Injectors, Emissions-Legal

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