JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.

Skip to Content

Our New Website Is Live - You Will Need To Reset Your Password! Need Help? +1 512-863-0900

Compare Products item items

Wishlist

Sign In Create an Account

Loading...

Search

My Cart

Loading...

Shop by Category

Shop by Category

Shop by category

Alternators & Starters
Apparel
Assembled Engines
Bolts & Gaskets
Braking
Camshafts & Valvetrain
Carbon Fiber
Catch Cans & Breathers
Cleaning/Detailing
Cooling

DOD/AFM/MDS/VVT Delete Kit
Drivetrain & Rearend
ECU/Wiring
Engine Internals
Exhaust
Exterior
Fittings and Hoses
Front Drives / Balancers
Fuel
Gauges & Accessories

Gift Certificates
Heads
Heads & Cam Packages
Ignition & Electronics
Induction
Interior
Oil Pans & Engine Covers
Oils & Fluids
Power Adders
Power Packages

Power Steering
Safety Equipment
SBC & BBC
Suspension & Chassis
Tires
Tools & Shop Equipment
Transmission
Tuning
Wheels

Shop by Engine

Chevrolet

Gen III LS 4.8/5.3

Gen III LS 5.7/6.0

Gen IV LS 4.8/5.3

Gen IV LS 6.0/6.2

Dodge

Hemi 5.7/6.1 (Non VVT)

Ford

Calculators

Compression Ratio Calculator

Camshaft Overlap Calculator

Fuel Flow Rate Calculator

Shop by Category

Shop by Category

Shop by category

Alternators & Starters
Apparel
Assembled Engines
Bolts & Gaskets
Braking
Camshafts & Valvetrain
Carbon Fiber
Catch Cans & Breathers
Cleaning/Detailing
Cooling

DOD/AFM/MDS/VVT Delete Kit
Drivetrain & Rearend
ECU/Wiring
Engine Internals
Exhaust
Exterior
Fittings and Hoses
Front Drives / Balancers
Fuel
Gauges & Accessories

Gift Certificates
Heads
Heads & Cam Packages
Ignition & Electronics
Induction
Interior
Oil Pans & Engine Covers
Oils & Fluids
Power Adders
Power Packages

Power Steering
Safety Equipment
SBC & BBC
Suspension & Chassis
Tires
Tools & Shop Equipment
Transmission
Tuning
Wheels

Shop by Engine

Chevrolet

Gen III LS 4.8/5.3

Gen III LS 5.7/6.0

Gen IV LS 4.8/5.3

Gen IV LS 6.0/6.2

Dodge

Hemi 5.7/6.1 (Non VVT)

Ford

Calculators

Compression Ratio Calculator

Camshaft Overlap Calculator

Fuel Flow Rate Calculator

+1 512-863-0900 Expert Help

Shop by Engine

Shop by Vehicle

Shop by Engine

Select Engine

Shop by Vehicle

Select Year
Select Make
Select Model
Select Generation

Home
Shop by Category
ECU/Wiring
Wiring Harnesses

Wiring Harnesses

Shop By

Brand

Texas Speed & Performance (7) items

Caspers Electronics (1) item

FTI Performance (1) item

GM (4) items

Haltech (5) items

Holley (10) items

HP Tuners (3) items

ICT BILLET (1) item

MSD (8) items

Painless Performance Products (5) items

Racetronix (12) items

Torque Rush Performance (1) item

PSI Conversions (49) items

Loading...

Sort by:

PSI Conversions
PSI '05 - '06 LS2 24x W/ T56/Tr6060 W/ 411 PCM Standalone Harness

$599.00

In stock

Loading...
PSI Conversions
PSI '05 - '06 LS2 W/ 4L60e Or 4L80e W/ 411 PCM Standalone Harness

$599.00

In stock

Loading...
PSI Conversions
PSI '97 - '04 LS1 (DBW) W/ T56 Standalone Harness

$599.00

In stock

Loading...
PSI Conversions
PSI 06 - '09 LS2 (6.0l) 58x W/ T56/Tr6060 Standalone Harness

$569.00

In stock

Loading...
PSI Conversions
PSI '05 - '14 Gen IV LS2/LS3 (DBC) W/T56/Tr6060 W/ EV1 Injectors & 5 Pin Maf Standalone Harness

$589.00

In stock

Loading...
PSI Conversions
PSI '09 - '14 LH6/LY5/LMG/LH8 (5.3L) w/ T56/TR6060 Standalone Harness

$569.00

In stock

Loading...
PSI Conversions
PSI '97 - '02 LS1 (DBC) W/ 4L60e Or 4L80e W/ EV1 Injectors & 3 Pin Maf Standalone Harness

$549.00

In stock

Loading...
PSI Conversions
PSI '08 - '09 L76 (6.0L) w/ 4L60E or 4l80E Standalone Harness

$659.00

In stock

Loading...
PSI Conversions
PSI '07-'09 LS2 (6.0l) 58x W/ 4l60e Or 4l80e Standalone Harness

$659.00

In stock

Loading...
PSI Conversions
PSI '97 - '04 LS1 / LS6 & '99 - '06 Vortec (DBC) w/ T56 w/ EV1 Injectors & 5 pin MAF Standalone Harness

$549.00

In stock

Loading...
PSI Conversions
PSI '07-'09 LS2 (6.0l) 58x W/ 6l80e Standalone Harness

$719.00

In stock

Loading...
PSI Conversions
PSI LS1 Corvette, C10 Tac Module Harness 411 PCM

$45.00

In stock

Loading...
GM
GM Chevrolet Performance LS/LSX Ignition Controllers

$542.19

In stock

Loading...
PSI Conversions
PSI '07 - '08 LM5/LMG (5.3L) w/ T56/TR6060 Standalone Harness

$569.00

In stock

Loading...
PSI Conversions
PSI ‘97 - ‘04 LS1 / LS6 & '99 - '06 Vortec (DBC) w/ T56 w/ EV6 Injectors & 5 pin MAF Standalone Harness

$549.00

In stock

Loading...
PSI Conversions
PSI '06 - '14 LS7 (7.0l) W/ 4l60e Or 4l80e Standalone Harness

$659.00

In stock

Loading...
PSI Conversions
PSI Gen IV Engine (58x) w/ T56/TR6060 Non VVT Standalone Harness

$744.00

In stock

Loading...
PSI Conversions
PSI '06 - '14 LS7 (7.0l) W/ 6l80e Standalone Harness

$719.00

In stock

Loading...
PSI Conversions
PSI '08 - '09 L76 (6.0L) w/ T56/TR6060 Standalone Harness

$569.00

In stock

Loading...
PSI Conversions
PSI '99 - '06 Vortec (DBC) W/ T56 W/ Multec Injectors & 5 Pin Maf Standalone Harness

$549.00

In stock

Loading...
Texas Speed & Performance
TSP Standalone Wiring Harness for Drive-by-Cable with 4L80E - 97-04 Cars & 99-06 Trucks

$450.99

In stock

Loading...
Texas Speed & Performance
TSP Standalone Wiring Harness for Drive-by-Cable with T56 - 97-04 Cars & 99-06 Trucks

$450.99

In stock

Loading...
Texas Speed & Performance
TSP Standalone Wiring Harness for Drive-by-Cable with 4L60E - 97-04 Cars & 99-03 Trucks

$450.99

In stock

Loading...
Texas Speed & Performance
TSP Standalone Wiring Harness for Drive-by-Wire with T56, EV6 Injectors - 2003-2007 Trucks

$482.99

In stock

Loading...

Items 1-24 of 107

You're currently reading page 1
Page 2
Page 3
Page 4
Page 5

Show per page

Loading...

Sign Up For Our Newsletter

Join our email list and be the first to know about product updates, special savings & valuable coupons

Email Address

Manage Existing Subscriptions

Connect With Us

insta_icon

insta_icon

facebook_icon

facebook_icon

Youtube_icon

Youtube_icon

snap_icon

snap_icon

snap_icon

snap_icon

snap_icon

snap_icon

twitter_icon

twitter_icon

Customer Service

Helpful Links

Terms & Conditions

Military Discount

Become A Dealer

Browse by Make

Chevrolet Parts

Contacts

Texas Speed & Performance 101 Velocity Drive, Ste 100 Georgetown, TX 78628

Phone: 512-863-0900
Fax: 512-863-0912

sales@texas-speed.com 
customerservice@texas-speed.com

Lobby Hours 
8 AM - 5 PM Mon-Fri Central
Phone Hours 
8 AM - 6 PM Mon-Fri Central 
Closed Sat-Sun

© 2026 Texas-Speed.com NS

Choose sharing option

×

Email
Url

Recipient Email(s)

Your Name (required)

Your Email (required)

Message (optional)

Your Name (required)

Your Email (required)