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Click HERE to Shop BigStuff Gen4 ProXtreme EFI Systems

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

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BIG COMM Cable, 25-ft
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BIG COMM Cable, 25-ft

BigStuff TPM
$225.00
BIG COMM Cable, 5-ft
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BIG COMM Cable, 5-ft

$99.00
Bosch LSU4.9 WB02 Connector End Kit
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Bosch LSU4.9 WB02 Connector End Kit

BigStuff TPM , Bosch
$25.00
GEN4 (1) 30-WAY (A-K) Connector/Terminal Kit
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GEN4 (1) 30-WAY (A-K) Connector/Terminal Kit

BigStuff TPM
$49.00
GEN4 (1) 30-WAY (L-Y) Connector/Terminal Kit
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GEN4 (1) 30-WAY (L-Y) Connector/Terminal Kit

BigStuff TPM
$49.00
GEN4 (2) 30-WAY Connector/Terminal Kit
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GEN4 (2) 30-WAY Connector/Terminal Kit

BigStuff TPM
$95.00
GEN4 DAI Connector/Terminal Kit
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GEN4 DAI Connector/Terminal Kit

BigStuff TPM
$14.00
GEN4 IPU Connector/Terminal Kit
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GEN4 IPU Connector/Terminal Kit

BigStuff TPM
$19.00
Godzilla Cam Harness Adapter
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Godzilla Cam Harness Adapter

BigStuff TPM
$39.00
Godzilla Crank Harness Adapter
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Godzilla Crank Harness Adapter

BigStuff TPM
$39.00

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

🏆 @holleyfordfest is in the books and so is ano 🏆 @holleyfordfest is in the books and so is another WIN for @psienk3 ! His #BigStuffTPM-controlled turbocharged 1998 Ford Mustang Cobra crushed it in the Street Race 8.60 class against some tough competition.

#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
✅ Everything you need right from the start, only ✅ Everything you need right from the start, 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
🛣️ This is worth making the trip for! Seats a 🛣️ This is worth making the trip for! Seats are almost gone, so reserve your space NOW!
📅 Saturday, October 11
📍 Mooresville, NC
🔗 https://bigstufftpm.com/product/2025-10-bigstuff-training-seminar/
#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
💬 "For anyone familiar with the legacy BS3 syst 💬 "For anyone familiar with the legacy BS3 system and ownership and still think that BigStuff is the same, you are unaware or mistaken. The BS4 is right up there with the best of any system of today."

-Rob Zarcone, crew chief on Nico Cechet's @pandesperformance-built Chevelle
👀 Have you registered for our training seminar 👀 Have you registered for our training seminar yet? (And did we mention we're including lunch?? 🥪)
👋🏆 Say hello to your 2025 NHRA Pro Stock cha 👋🏆 Say hello to your 2025 NHRA Pro Stock champion, @johndeflorianracing!! John runs an original 20+ year old #BigStuffTPM ECU but still outruns 'em all!

#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
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About BigStuff TPM

BigStuff is a Michigan-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

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