Holley EFI

Sale!

Holley EFI

Holley EFI LSx Injector Harness for HP EFI, Dominator EFI and Terminator X. 558-201

Sale Price $161.05 Regular Price ~~$201.95~~
Sale!

Holley EFI

Holley EFI Universal 6 Cylinder Injector Harness for HP EFI & Dominator EFI 558-203

Sale Price $212.95 Regular Price ~~$239.95~~
Sale!

Holley EFI

Holley EFI Ford Coyote (2011-2017) Drive-By-Wire Harness 558-422

Sale Price $275.95 Regular Price ~~$310.95~~

Only 8 left
Sale!

Holley EFI

Holley EFI Ford V8 Injector Harness for HP EFI & Dominator EFI 558-209

Sale Price $249.95 Regular Price ~~$281.95~~

Only 7 left
Sale!

Holley EFI

Holley EFI Gen III HEMI V8 Injector Harness - Stock/USCAR style injectors 558-210

Sale Price $179.95 Regular Price ~~$224.95~~

Only 8 left
Sale!

Holley EFI

Holley EFI Gen III HEMI V8 Injector Harness - Bosch/Jetronic and Holley injectors 558-211

Sale Price $187.95 Regular Price ~~$211.95~~
Sale!

Holley EFI

Holley EFI HP EFI ECU & Harness Kits 550-617N

Sale Price $3,299.95 Regular Price ~~$3,712.95~~

Only 9 left
Sale!

Holley EFI

Holley EFI Universal MPFI Main Harness for HP EFI & Dominator EFI 558-104

Sale Price $475.95 Regular Price ~~$595.95~~
Sale!

Holley EFI

Holley EFI Unterminated Universal Main Harness for HP EFI & Dominator EFI 558-105

Sale Price $475.95 Regular Price ~~$595.95~~
Sale!

Holley EFI

Holley EFI Ford 2V & 4V Modular Main Harness, For HP EFI & Dominator EFI 558-108

Sale Price $718.95 Regular Price ~~$899.95~~

Only 3 left
Sale!

Holley EFI

Holley EFI Main Engine Harness for 24x LS w/TBI 558-111

Sale Price $628.95 Regular Price ~~$787.95~~

Only 4 left
Sale!

Holley EFI

Holley EFI MAIN ENGINE HARNESS FOR 58X LS W/TBI 558-112

Sale Price $628.95 Regular Price ~~$787.95~~

Only 4 left
Sale!

Holley EFI

Holley EFI Terminator X MAX and Dominator EFI GM Drive-By-Wire Harness 558-406

Sale Price $224.95 Regular Price ~~$281.95~~
Sale!

Holley EFI

Holley EFI Dominator EFI GM Dual Drive-By-Wire Harness 558-411

Sale Price $368.95 Regular Price ~~$415.95~~

Only 7 left
Sale!

Holley EFI

Holley EFI LS2/3/7+ (58x/4x) Engine Main Harness for HP EFI & Dominator EFI 558-103

Sale Price $568.95 Regular Price ~~$712.95~~
Sale!

Holley EFI
New!

Holley EFI CAN Extension Harness - 4' 558-424

Sale Price $53.35 Regular Price ~~$66.95~~
Sale!

Holley EFI

Holley EFI CAN Extension Harness - 8' 558-425

Sale Price $59.25 Regular Price ~~$74.95~~
Sale!

Holley EFI

Holley EFI CAN EXTENSION HARNESS, 12FT 558-426

Sale Price $79.05 Regular Price ~~$88.95~~
Sale!

Holley EFI

Holley EFI CAN Extension Harness - 9'' 558-428

Sale Price $52.69 Regular Price ~~$59.95~~
Sale!

Holley EFI

Holley EFI EV6 Injectors - Drive-by-Wire Throttle Body Control 550-1425

Sale Price $2,023.95 Regular Price ~~$2,443.95~~

Only 4 left
Sale!

Holley EFI

Holley EFI V8 over Manifold, Bosch Style Injector Harness 558-200

Sale Price $179.95 Regular Price ~~$224.95~~
Sale!

Holley EFI

Holley EFI TPI/Stealth Ram™ Main Harness for Avenger EFI, HP EFI & Dominator EFI 558-101

Sale Price $632.95 Regular Price ~~$712.95~~

Only 6 left
Sale!

Holley EFI

Holley EFI 50 Feet, Black, 1/2" Braided F6 Split Wire Loom 573-107

Sale Price $94.45 Regular Price ~~$118.95~~
Sale!

Holley EFI

Holley EFI 10 Feet, Black, 3/4" Braided F6 Split Wire Loom 573-108

Sale Price $32.91 Regular Price ~~$37.02~~
Sale!

Holley EFI

Holley EFI 50 Feet, Black, 3/4" Braided F6 Split Wire Loom 573-109

Sale Price $137.95 Regular Price ~~$155.95~~
Sale!

Holley EFI

Holley EFI Holley EFI Terminator X Stealth 4500 - Shiny 550-1070

Sale Price $2,563.95 Regular Price ~~$3,563.95~~

Only 1 left
Sale!

Holley EFI

Holley EFI Holley EFI Ford GT500 and 3V Drive-by-Wire Throttle Body Harness 558-461

Sale Price $426.95 Regular Price ~~$534.95~~

Only 4 left
Sale!

Holley EFI

Holley EFI 12" Male to Female CAN Adapter Harness 558-451

Sale Price $43.73 Regular Price ~~$49.20~~

Only 8 left
Sale!

Holley EFI

Holley EFI 8' Male to Female CAN Adapter Harness 558-453

Sale Price $65.85 Regular Price ~~$74.95~~
Sale!

Holley EFI

Holley EFI 12' Male to Female CAN Adapter Harness 558-454

Sale Price $92.19 Regular Price ~~$103.95~~

Let customers speak for us

from 57 reviews

Ordered smaller 1 3/4 headers on accident, I messaged them, they responded within a couple minutes. Helped me upgrade to the bigger 1 7/8 in headers. Super good customer service! & headers fit and sound great!

Kyle Waymire

11/15/2025

Speed Engineering 1998–2002 Camaro & Firebird 1-7/8" Longtube Headers & Y-Pipe Full Kit (5.7 LS1) 25-1020

Exhaust System

Very nice system fits well.

Andy Tullos

11/06/2025

Speed Engineering 1998–2002 Camaro & Firebird LS1 Single 3" Exhaust (Rear Exit) 25-1129

Awesome Customer Service and shipping times

Berry Performance is quick to ship the products ordered. Their prices are great and they answer emails right away.

Chris James

Turbosmart OPR V2 Turbo Oil Pressure Regulator

Berry Performance is my new go to

Fast shipping,.great email communications. Cat back arrived quicker than expected. Installing this week but quality of chrome tips and welds look great. Will be buying from Berry again

Jim

Quality product. Great customer service.

Berry reached out to me directly after ordering to make sure my address was correct and that id get my package. Fedex had an issue and Berry stayed in touch. 10 out of 10 this company is great.

The siping tool is sturdy and well built, worth spending a little more for.

Kevin Olson

10/22/2025

Allstar Performance Heated Tire Siper ALL10266

Cusco buckle clip

Perfect.

Daniel Tapia

10/20/2025

Cusco Universal Seat Belt Buckle Clip (Competition Use Only)

Fast shipping & best price!

I ordered a set or Speed Engineering headers for an Ls swap on a c10. They were ahipped fast and at a great price! Gotta love the no tax purchase!! Thank you Mr Berry!

Robert Orozco

10/18/2025

Speed Engineering LS Swap 1-3/4" Longtube Headers 1960–1987 C10 Trucks (LS1 / LS2 / LS3 / LS6 / LSA) 25-1025

Chevy SS headers

Fast shipping low prices couldn’t ask for a better company to order my headers from

CBFW_SS

10/17/2025

Speed Engineering 2014–2017 Chevrolet SS 1-7/8" Longtube Headers & X-Pipe Full Kit (6.2L LS2 / LS3) 25-1073

Great customer service, easy to talk to.

Ordered speed engineering headers and x pipe for my caprice ppv, messed up my mailing address and emailed them and they got the situation fixed the very same day, even called to verify and gave me information about the package I ordered, would 100% recommend them and will be purchasing from berry performance again.

Justin Boyce

09/25/2025

Speed Engineering Pontiac G8, Chevrolet SS & Caprice X-Pipe (6.0L / 6.2L Engines) 25-1074

Speed Engineering LS1 Camaro Firebird True Dual Exhaust (REAR EXIT)

The exhaust was shipped out right away with no issues during shipment. Their communication was excellent and they kept me up to date with shipping information.

09/15/2025

Speed Engineering 1998–2002 Camaro & Firebird LS1 True Dual Exhaust (Rear Exit) 25-1031 ETA 12/5/25

Fit perfect

No problem just a quick bolt on and dose what it supposed do stiffens the Car.

Danny s

09/09/2025

Suspension Engineering Camaro Firebird Strut Shock Tower Brace 1993-2002 (Red or Black) 33-1010

For me the ball joints came bolted in on both upper control arm.
The also make it easier for future bushings replacements, by not being pressed fit. They also have grease ports to grease the bushings.

Suspension Engineering Camaro & Firebird Upper A-Arms 1993-2002 (Red or Black) 33-1012

Brenon Berry

X-pipes are cool, but give Brenon a gosh darn raise! I’ve been waiting for these x-pipes since May and he was able to get them to me within a week. God bless, I’ll never forget that.

Unknown 350GT

09/08/2025

Speed Engineering 1997–2004 C5 Corvette X-Pipe Kit 25-1089 ETA 12/5/25

Easy ordering process and received product in a timely manner.

Rob Carroll

07/28/2025

Speed Engineering 2020–2023 C8 Corvette Off-Road Connection Pipes (LT2 Engines) 25-1076

Easy Transaction

Berry had what I was looking for, so I researched them a bit and saw many good reviews, so I moved forward. Transaction was easy, add to cart, enter address and email, checkout, pay, then emailed a receipt and updates throughout shipping until delivered about a week later. Would definitely purchase from Berry again!

Steve J

07/23/2025

Speed Engineering 2014–2019 C7 Corvette Cat-Back X-Pipe Kit (LT1 / LT4 / LT5 Engines) 25-1082 ETA 12/5/25

Let customers speak for us

MENU

COMPANY