• Track Your order
  • Contact Us
  • Call (248) 786-7012
Facebook Instagram Youtube
Facebook Instagram Youtube
  • Shop
    • All BigStuff Products
    • BigStuff Gen4 Pro Xtreme
      • Big Band Modules
      • Connectors & Terminal Kits
      • GEN4 Feature Upgrades
      • Harnesses & Hardware Kits
      • Main Wire Harness & Injector Wire Harness Kits
      • O2 Sensors / Ignition Coils
    • BigStuff Pro Hardware
      • Big Drive Injector Driver Systems
      • Connectors & Terminal Kits
      • Crank Wheels / Driveshaft Collars
      • Dealer / Jobber
      • Fuel Pumps
      • Sensors, Actuators, & Coils
    • BigStuff Gen4 Price List
    • Apparel
  • Build a System
  • Gen4 ECU
    • Big Band Modules
    • Connectors & Terminal Kits
    • GEN4 Feature Upgrades
    • Harnesses & Hardware Kits
    • Main Wire Harness & Injector Wire Harness Kits
    • O2 Sensors / Ignition Coils
  • Dealers
  • Tech Info
    • Gen3 Tech & Support
    • Gen4 Tech & Support
    • Gen4 Training Videos
    • Gen4 ECU Firmware
    • Gen4 ECU Calibrations
    • Software Downloads
  • About
    • About BigStuff
    • Warranty Information & Registration Information
    • News
    • Customers
  • Contact
  • My Account
$0.00 0 Cart
  • Shop
    • All BigStuff Products
    • BigStuff Gen4 Pro Xtreme
      • Big Band Modules
      • Connectors & Terminal Kits
      • GEN4 Feature Upgrades
      • Harnesses & Hardware Kits
      • Main Wire Harness & Injector Wire Harness Kits
      • O2 Sensors / Ignition Coils
    • BigStuff Pro Hardware
      • Big Drive Injector Driver Systems
      • Connectors & Terminal Kits
      • Crank Wheels / Driveshaft Collars
      • Dealer / Jobber
      • Fuel Pumps
      • Sensors, Actuators, & Coils
    • BigStuff Gen4 Price List
    • Apparel
  • Build a System
  • Gen4 ECU
    • Big Band Modules
    • Connectors & Terminal Kits
    • GEN4 Feature Upgrades
    • Harnesses & Hardware Kits
    • Main Wire Harness & Injector Wire Harness Kits
    • O2 Sensors / Ignition Coils
  • Dealers
  • Tech Info
    • Gen3 Tech & Support
    • Gen4 Tech & Support
    • Gen4 Training Videos
    • Gen4 ECU Firmware
    • Gen4 ECU Calibrations
    • Software Downloads
  • About
    • About BigStuff
    • Warranty Information & Registration Information
    • News
    • Customers
  • Contact
  • Shop
    • All BigStuff Products
    • BigStuff Gen4 Pro Xtreme
      • Big Band Modules
      • Connectors & Terminal Kits
      • GEN4 Feature Upgrades
      • Harnesses & Hardware Kits
      • Main Wire Harness & Injector Wire Harness Kits
      • O2 Sensors / Ignition Coils
    • BigStuff Pro Hardware
      • Big Drive Injector Driver Systems
      • Connectors & Terminal Kits
      • Crank Wheels / Driveshaft Collars
      • Dealer / Jobber
      • Fuel Pumps
      • Sensors, Actuators, & Coils
    • BigStuff Gen4 Price List
    • Apparel
  • Build a System
  • Gen4 ECU
    • Big Band Modules
    • Connectors & Terminal Kits
    • GEN4 Feature Upgrades
    • Harnesses & Hardware Kits
    • Main Wire Harness & Injector Wire Harness Kits
    • O2 Sensors / Ignition Coils
  • Dealers
  • Tech Info
    • Gen3 Tech & Support
    • Gen4 Tech & Support
    • Gen4 Training Videos
    • Gen4 ECU Firmware
    • Gen4 ECU Calibrations
    • Software Downloads
  • About
    • About BigStuff
    • Warranty Information & Registration Information
    • News
    • Customers
  • Contact
$0.00 0 Cart

Click HERE to Shop BigStuff Gen4 ProXtreme EFI Systems

Get On-Site & Remote Tuning Services from Our Authorized Dealers

Tech Info, Downloads, & More

Click HERE to Shop BigStuff Gen4 ProXtreme EFI Systems

Get On-Site & Remote Tuning Services from Our Authorized Dealers

Tech Info, Downloads, & More

Home All BigStuff Products

Gen3 to Gen4 ECU Upgrade Kit (EUK)

$1,999.00 – $3,199.00Price range: $1,999.00 through $3,199.00

For Initial GEN4 PRO XTREME ECU Upgrade Kit orders.
Select number of Optional Feature Upgrades (OFU) to enable.

Clear
SKU: N/A
Category: All BigStuff Products
Share: Facebook Twitter Tumblr Linkedin
Description
Additional information

For Initial GEN4 PRO XTREME ECU Upgrade Kit orders.
Select number of Optional Feature Upgrades (OFU) to enable.

The GEN4 Base ECU pricing is $1999
Each additional feature is +$150 and can be enabled at the time of purchase, or added at any time over the internet.

Each option simply unlocks additional features and the additional hardware (wiring harness, sensors, etc) to support those options must be purchased.

Parts included with each ECU Upgrade kit – One GEN4 ECU, One SD Card, One MicroSD card adapter, One Bosch LSU 4.9 Wide Band Oxygen Sensor, One ethernet cable, One USB to Ethernet cable adapter.

Weight .1 lbs
Dimensions 1 × 1 × 1 in

Related products

Universal High Output Coil (COP)
Quick View
All BigStuff Products, Sensors, Actuators, & Coils

Universal High Output Coil (COP)

BigStuff TPM
$85.00
GEN4 IPU Connector/Terminal Kit
Quick View
All BigStuff Products, Connectors & Terminal Kits, Connectors & Terminal Kits

GEN4 IPU Connector/Terminal Kit

BigStuff TPM
$19.00
Ford Coyote Engine 24-Tooth Crank Wheel
Quick View
All BigStuff Products, Crank Wheels / Driveshaft Collars

Ford Coyote Engine 24-Tooth Crank Wheel

BigStuff TPM
$375.00
GEN4 DAI Connector/Terminal Kit
Quick View
All BigStuff Products, Connectors & Terminal Kits, Connectors & Terminal Kits

GEN4 DAI Connector/Terminal Kit

BigStuff TPM
$14.00
3/8" Hall Effect Device (HED) Pickup
Quick View
All BigStuff Products, Sensors, Actuators, & Coils

3/8″ Hall Effect Device (HED) Pickup

BigStuff TPM
$189.00
Magnetic Pickup - 3/4" x 16
Quick View
All BigStuff Products, Sensors, Actuators, & Coils

Magnetic Pickup – 3/4″ x 16

BigStuff TPM
$195.00
GEN4 (2) 30-WAY Connector/Terminal Kit
Quick View
All BigStuff Products, Connectors & Terminal Kits, Connectors & Terminal Kits

GEN4 (2) 30-WAY Connector/Terminal Kit

BigStuff TPM
$95.00

Product brand

BigStuff TPM
View all products

Product categories

  • All BigStuff Products (135)
  • Apparel (2)
  • BigStuff Gen4 ProXtreme (94)
    • Big Band Modules (8)
    • Connectors & Terminal Kits (11)
    • GEN4 Feature Upgrades (10)
    • Harnesses & Hardware Kits (28)
    • Main Wire Harness & Injector Wire Harness Kits (30)
    • O2 Sensors / Ignition Coils (10)
  • BigStuff Pro Hardware (52)
    • Big Drive Injector Driver Systems (3)
    • Connectors & Terminal Kits (10)
    • Crank Wheels / Driveshaft Collars (6)
    • Dealer / Jobber (14)
    • Sensors, Actuators, & Coils (23)
  • Swag (4)

Shop by Brand

  • All brands
  • BigStuff TPM(119)
  • Bosch(2)
Big Drive Injector Driver Modu...

$399.00

GEN4 PRO XTREME – GEN4 O...

$109.00

Sign Up For Our Newsletter

Follow @BigStuffTPM on Instagram

bigstufftpm

BigStuff EFI – GEN 3 & 4 ECU Sales & Support. Order online at BigStuff3.com.

🛜 Get T R U E WiFi, only with #BigStuffTPM! #BigS 🛜 Get T R U E WiFi, only with #BigStuffTPM!

#BigStuffEFI #GoBIGorGoHome #TotalPowerManagement #BigStuff3 #BigStuff3EFI #BS3EFI #EFItuning #ProMod #ProModified #NHRA #dragracing #bigtire #smalltire #radialracing #enginemagenement #fuelinjection #EFIsystem #EFI #bigblock #smallblock #hotrod #streetstrip #dragndrive #draganddrive #PDRA #ProStock #Topsportsman #MMPS
💻 Tech Tip Tuesday – #BigStuffTPM Gen4 Pro Xtreme 💻 Tech Tip Tuesday - #BigStuffTPM Gen4 Pro Xtreme Test Modes: learn from the expert himself, owner Ben Davidow!
😤 These men are on a mission, and we're proud that 😤 These men are on a mission, and we're proud that our #BigStuffTPM Gen4 Pro Xtreme ECU is helping them get it done! Congratulations, Bryan @laflamaz & @bryanmetzenheim!

🗣️💬 @pdraracing: Bryan LaFlam grabs his first Racing Performance Motorcoaches #1 Qualifier bonus in MagnaFuel Products Inc. Top Sportsman of the 2026 Red Line Synthetic Oil PDRA Drag Racing Series season at the PDRA North vs. South Shootout at Maryland International Raceway.
LaFlam took his supercharged '67 Mustang to a 3.776 elapsed time at over 194 miles per hour to take top qualifying honors, outlasting two nitrous cars in Jamie Fowler and Bruce Thrift. 

#BigStuffEFI #GoBIGorGoHome #TotalPowerManagement #BigStuff3 #BigStuff3EFI #BS3EFI #EFItuning #ProMod #ProModified #NHRA #dragracing #bigtire #smalltire #radialracing #enginemagenement #fuelinjection #EFIsystem #EFI #bigblock #smallblock #hotrod #streetstrip #dragndrive #draganddrive #PDRA #ProStock #Topsportsman #MMPS
💪 If you want success, you have to work for it–an 💪 If you want success, you have to work for it--and no one works harder than #BigStuffTPM racer @bangerbob!

🗣️💬 Quick stop at @greatlakesdragaway to dial in new injectors. Courtesy of Nick @streetcarshenanigans and @bigstufftpm 
(And a late night snack) 

#BigStuffEFI #GoBIGorGoHome #TotalPowerManagement #BigStuff3 #BigStuff3EFI #BS3EFI #EFItuning #ProMod #ProModified #NHRA #dragracing #bigtire #smalltire #radialracing #enginemagenement #fuelinjection #EFIsystem #EFI #bigblock #smallblock #hotrod #streetstrip #dragndrive #draganddrive #PDRA #ProStock #Topsportsman #MMPS
🔥 @btdupont has built an absolutely exquisite exam 🔥 @btdupont has built an absolutely exquisite example of hot rodding perfection—and his '55 runs a #BigStuffTPM ECU!
🚨 Another badass #BigStuffTPM build in the works, 🚨 Another badass #BigStuffTPM build in the works, from none other than @dezdyno! 💪 

🗣️💬 Small Block Ford warming up with American Forced Induction AFX-94R. Hope to see this one making some laps soon.

#BigStuffEFI #GoBIGorGoHome #TotalPowerManagement #BigStuff3 #BigStuff3EFI #BS3EFI #EFItuning #ProMod #ProModified #NHRA #dragracing #bigtire #smalltire #radialracing #enginemagenement #fuelinjection #EFIsystem #EFI #bigblock #smallblock #hotrod #streetstrip #dragndrive #draganddrive #PDRA #ProStock #Topsportsman #MMPS
Follow on Instagram

BigStuff is an American-based company focused on the design, manufacture, and marketing of state-of-the-art electronic engine and powertrain controllers for the performance aftermarket.

Email: Support@BigStuffTPM.com

Phone: (248) 786-7012

DEALER Services

  • BigStuff EFI Tuning
  • Custom Programming
  • Power Management
  • On-Site Tuning Support
  • Remote Tuning Support
  • Hardware Sales
  • Project Consultation
Learn More

follow @BigStuffTPM

Facebook Instagram Youtube

BigStuff TPM

3 days ago

BigStuff TPM
😤 These men are on a mission, and we're proud that our #BigStuffTPM Gen4 Pro Xtreme ECU is helping them get it done! Congratulations, Bryan LaFlam & Bryan Metzenheim!Bryan LaFlam grabs his first Racing Performance Motorcoaches #1 Qualifier bonus in MagnaFuel Products Inc. Top Sportsman of the 2026 Red Line Synthetic Oil PDRA Drag Racing Series season at the PDRA North vs. South Shootout at Maryland International Raceway.LaFlam took his supercharged '67 Mustang to a 3.776 elapsed time at over 194 miles per hour to take top qualifying honors, outlasting two nitrous cars in Jamie Fowler and Bruce Thrift. … See MoreSee Less

Photo

View on Facebook
· Share

Share on Facebook Share on Twitter Share on LinkedIn Share by Email

subscribe on YouTube

BigStuff GEN4 V12 Ferrari Engine Dyno Test

Subscribe to See More!
© 2026 BigStuff Total Power Management, all rights reserved. | Website developed by P.TEN Marketing.

2026 Ⓒ All rights reserved BigStuff Total Power Management

Website developed by P.TEN Marketing

Home
Shop
Search
0 Cart
Cleantalk Pixel