BigStuff TPM
BigStuff TPM is a Michigan-based company specializing in the design, manufacture, and marketing of advanced electronic engine and powertrain management systems for the performance aftermarket. Built for racers and serious enthusiasts, BigStuff TPM offers precision-tuned solutions including engine control units, injector drivers, harnesses, and dash modules. These systems are designed to deliver reliable performance and full control for high-horsepower builds. JEGS is proud to offer BigStuff TPM products, giving customers access to cutting-edge engine management technology built to meet the demands of street and track use.
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When it comes to powertrain management and electronic engine management systems, BigStuff TPM is the perfect solution for replacements and upgrades. This Michigan-based company is known for its aftermarket components that are perfect for racing and enthusiast applications.
What does BigStuff TPM have to offer in the way of powertrain management? Their state-of-the-art systems include replacement ECUs, fuel injector driver modules and harnesses, full engine wiring harnesses, touch screen dash kits, their Gen4 ProXtreme ECU upgrade kits and much more.
Electronic engine management systems are a great way to get reliable and consistent performance in high-horsepower engine builds, without finicky and outdated carburetor and distributor/vacuum advance setups. This is the place to find everything you need to build, repair or replace wiring harnesses, ECUs and complete engine and emission control setups, including connectors, sensors, terminals and everything else associated with modern engine control systems. BigStuff TPM parts and components are all designed to be heat- and vibration-proof, with OEM-quality standards and materials. Their powertrain management systems can give you control, consistent performance and durability along with the horsepower and torque youâre chasing with your engine build.
BigStuff TPM parts are designed to be compatible with conventionally aspirated, turbocharged or supercharged engines, and can be paired with CAN integration and transmission control modules for an end-to-end performance setup.
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BIGSTUFF TPM
BS3-007-082-S 82A Secondary Fuel Injectors w/Plug and Play Harness (Billet Atomizer/Standard Coils)
Part Number: 667-BS3-007-082S

BIGSTUFF TPM
BS3-007-082-S 82A Secondary Fuel Injectors w/Plug and Play Harness (Billet Atomizer/Standard Coils)
Part Number: 667-BS3-007-082S

BIGSTUFF TPM
BS4-004-002 4-Channel BIG BAND Module Only Kit, w/o Wiring Harness or Sensors
Part Number: 667-BS4-004-002

BIGSTUFF TPM
BS4-004-002 4-Channel BIG BAND Module Only Kit, w/o Wiring Harness or Sensors
Part Number: 667-BS4-004-002

BIGSTUFF TPM
BS4-006-017 GEN4 Chevrolet Smart High-Output Wire Harness, Cylinders 1357
Part Number: 667-BS4-006-017

BIGSTUFF TPM
BS4-006-017 GEN4 Chevrolet Smart High-Output Wire Harness, Cylinders 1357
Part Number: 667-BS4-006-017

BIGSTUFF TPM
BS4-006-013 GEN4 Chevrolet Universal Coil-On-Plug Main Engine Harness w/EV1 Fuel Injector Harness
Part Number: 667-BS4-006-013

BIGSTUFF TPM
BS4-006-013 GEN4 Chevrolet Universal Coil-On-Plug Main Engine Harness w/EV1 Fuel Injector Harness
Part Number: 667-BS4-006-013

BIGSTUFF TPM
BS4-006-021 GEN4 FORD Smart High-Output Wire Harness, Cylinders 1234
Part Number: 667-BS4-006-021

BIGSTUFF TPM
BS4-006-021 GEN4 FORD Smart High-Output Wire Harness, Cylinders 1234
Part Number: 667-BS4-006-021

BIGSTUFF TPM
JMI-007-027 Universal Solid-State Relay, for Trans Bump; Nitrous; Etc.
Part Number: 667-JMI-007-027

BIGSTUFF TPM
JMI-007-027 Universal Solid-State Relay, for Trans Bump; Nitrous; Etc.
Part Number: 667-JMI-007-027

BIGSTUFF TPM
BS4-006-034 20 ft. GEN4 Unterminated Main Engine Harness w/Connector Ends
Part Number: 667-BS4-006-034

BIGSTUFF TPM
BS4-006-034 20 ft. GEN4 Unterminated Main Engine Harness w/Connector Ends
Part Number: 667-BS4-006-034

BIGSTUFF TPM
JMI-003-021 2-Wire Magnetic Pickup Sensor, 3/4 in. x 16 Threads
Part Number: 667-JMI-003-021

BIGSTUFF TPM
JMI-003-021 2-Wire Magnetic Pickup Sensor, 3/4 in. x 16 Threads
Part Number: 667-JMI-003-021































