Wiring Harnesses

Speed Engineering

Speed Engineering Pair of 24" LS2 & LS3 Triangle O₂ Extensions — C5/C6 Corvette, 2010–2015 Camaro & 2014–2018 Chevrolet SS Sedan | 31-1003

Regular Price $39.99
Speed Engineering

Speed Engineering Pair of 24" Black Square O₂ Extensions — LS1 & LT1 Camaro & Firebird | 31-1001

Regular Price $39.99
Speed Engineering

Speed Engineering Pair of 12" O₂ Extensions — 2016–2018 Chevrolet Silverado & GMC Sierra | 31-1006

Regular Price $39.99
Speed Engineering

Speed Engineering Pair of Flat 5-Pin O₂ Extensions — 2018–2023 Ford Mustang GT & 2018–2025 Ford F-150 5.0L Coyote | 31-1009

Regular Price $39.99
Speed Engineering

Speed Engineering 24" Flat O₂ Extensions (Pair) — 1993–1997 Chevrolet Camaro & Pontiac Firebird LT1 / C5 Corvette LS1 | 31-1002

Regular Price $39.99
Speed Engineering

Speed Engineering Pair of 24" White Square O₂ Extensions — 2004–2006 Pontiac GTO, 2008–2009 Pontiac G8 & 2009–2015 Cadillac CTS-V | 31-1005

Regular Price $39.99
Painless Wiring
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Painless Wiring Transmission Torque Converter Lock-Up Kit; 700R4 Transmission; 60109

Regular Price $209.99
American Autowire

American Autowire Highway 22 Plus Wiring Kit 510760

Regular Price $676.40
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MSD

MSD Easy install of MSD 6 series ignition to GM Dual Connector Coil 8876

Sale Price $79.09 Regular Price ~~$88.95~~

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MSD

MSD Replacement Harness - MSD Ignition to Distributor or Crank Trigger 8860

Sale Price $29.83 Regular Price ~~$34.40~~
Speed Engineering

Speed Engineering Pair of Square 6-Pin O₂ Extensions — 2015–2017 Ford Mustang GT & F-150 5.0L Coyote | 31-1008

Regular Price $39.99
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Haltech
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Haltech Elite 1000/1500 Plug-n-Play Adaptor Harness

Regular Price $460.00
Fleece Performance
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Fleece Performance 95-20 Dodge 2500/3500 Cummins 6in Multiuse Sensor Pigtail 4

Regular Price $29.99

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Fleece Performance
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Fleece Performance Universal Rail Pressure Sensor w/6in Pigtail

Regular Price $25.99

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Fleece Performance
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Fleece Performance Universal MAP Sensor & Airbox Control Valve Pigtail

Regular Price $28.99

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Fleece Performance
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Fleece Performance Universal Multiuse Pressure Sensor Pigtail

Regular Price $24.99

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Fleece Performance
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Fleece Performance Universal Multiuse Sensor 6in Pigtail

Regular Price $19.99

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Fleece Performance
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Fleece Performance 97-19 Dodge 2500/3500 Cummins 6in Multiuse Sensor Pigtail 2

Regular Price $32.99

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Fleece Performance
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Fleece Performance 99-07 Ford F250-550 Powerstroke Sending Unit Pigtail

Regular Price $27.99

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Fleece Performance
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Fleece Performance Universal 6in Multiuse Sensor Pigtail No. 10

Regular Price $14.99

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Fleece Performance
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Fleece Performance 02-09 Dodge MOPAR Pressure Sensor Pigtail

Regular Price $27.99

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Fleece Performance
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Fleece Performance GM Automatic Transmission 20-Pin Pigtail

Regular Price $99.99

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Fleece Performance
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Fleece Performance 11-19 Ford F250-650 Powerstroke WIF Sensor Pigtail

Regular Price $29.99

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Fleece Performance
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Fleece Performance 11-16 Ford F250-650 Powerstroke Lift Pump Pigtail

Regular Price $38.99

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Fleece Performance
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Fleece Performance 04.5-05 GM 2500/3500 Duramax LLY Turbo Vane Position Sensor Adapter Harness

Regular Price $46.99

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Fleece Performance
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Fleece Performance 01-07 GM 2500/3500 Duramax Vane Position Sensor Pigtail (LLY)

Regular Price $27.99

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Fleece Performance
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Fleece Performance 01-04 GM 2500/3500 Duramax LB7 Outer Injector Connector Pigtail

Regular Price $29.99

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Fleece Performance
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Fleece Performance 11-16 GM 2500/3500 Duramax LML Fan Extension Harness

Regular Price $45.99

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Fleece Performance
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Fleece Performance 17-19 GM 2500/3500 Duramax LP5 Fan Extension Harness

Regular Price $45.99

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Fleece Performance
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Fleece Performance 98.5-02 Dodge 2500/3500 Cummins 5.9L VP Crankshaft & Camshaft Sensor Pigtail

Regular Price $20.99

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Let customers speak for us

from 140 reviews

Great quality

Great quality,looks great 👍

Snapper Hitchens

06/17/2026

Suspension Engineering Silverado & Sierra Engine Cross Bar 1999-2006 2WD ONLY (Red or Black) 33-1143

Best looking headers I’ve ever seen for a 1980 C10

Best looking headers I’ve ever seen for a 1980 C10.

Patterson, Jesse

06/15/2026

Speed Engineering SBC Longtube Headers — 1960–1987 Chevrolet C10 & K10 Trucks | SBC 5.0L/305 & 5.7L/350 | 25-1236

Top quality and fits

Top quality and fits perfect

Eddy Flores

06/14/2026

Suspension Engineering Camaro & Firebird Lower Control Arm Relocation Brackets 1982-02 (Red or Black) 33-1006

Good

Good service!@

Jose Santana

Speed Engineering 1-7/8" LT Swap Longtube Headers — 1982–1988 GM G-Body | Gen V LT1/LT4 5.3L/6.2L | 25-1165

My lights were easy to install and worked with no issues

My lights were easy to install and worked with no issues. 10/10

Tracey Thomas

06/11/2026

Raxiom 15-22 Ford Mustang Axial Series LED Side Marker Lights Rear (Smoked)

Excellent quality

Excellent quality. Gives the space I need for more upgrades.

George Finn

Suspension Engineering Tunnel Brace 2008-2017 Camaro/Pontiac G8/Chevy SS (Red or Black) 33-1099

Top notch company.

Item was exactly as described and installed very easy. Shipping took a little longer than expected but was due to UPS. Would highly recommend.

Joe Nelson

06/09/2026

Edge Products Replacement power cable for CTS3, Trinity 2, and TrailDash 3. 98109

Fast Orange Grease X laundry soap cuts through the oil well!

Fast Orange Grease X laundry soap cuts through the oil well. I have spent weeks treating my son's clothes with Palmolive and other degreasers. They only took care of the surface oil and dirt. I did not have to pretreat with Fast Orange.

Connie Baxley

06/08/2026

Berry Performance Sales

Good price and fast shipping

Good price and fast shipping.

Jody Newman

06/06/2026

Speed Engineering 1-7/8" Longtube Headers & X-Pipe Full Kit — 2015–2023 Ford Mustang GT 5.0L Coyote | 25-1085

Product is well made and fits perfectly

Product is well made and fits

James & Candi White

06/03/2026

Advanced Engine Design Complete Baseplate Assm 850 CFM 6470

Flawless transaction and would

Flawless transaction and would recommend

JOHNNY BOX

06/01/2026

Took a little bit to get all the peices but over all good people and they definitely hold up on their end

Cameron

05/30/2026

Speed Engineering 1-7/8" Longtube Headers & Y-Pipe Full Kit — 2014–2018 Chevrolet Silverado & GMC Sierra 1500 | 5.3L/6.2L | 25-1037

The headers look like great construction came

The headers look like great construction came with header bolts v bands and gaskets at a great price! Awesome experience will shop here again!

Kenneth Rainey

05/29/2026

Speed Engineering Universal SBF Turbo Headers — Forward Facing Down | Small Block Ford 3.6L–5.8L | 25-1176

Fast

Fast shipping

kevin johnson

05/28/2026

SPC Performance 2021+ Ford Bronco Sport AWD / 2022+ Ford Maverick AWD Adjustable Rear Camber Arm

Bought them for a run stand

Bought them for a run stand, will work fine.

Anonymous

FlowTech Flowtech Purple Hornies Glasspack 50230FLT

Let customers speak for us

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