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Click HERE to Shop BigStuff Gen4 ProXtreme EFI Systems

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Gen3 to Gen4 ECU Upgrade Kit (EUK)
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Gen3 to Gen4 ECU Upgrade Kit (EUK)

BigStuff TPM
$1,999.00 – $3,199.00Price range: $1,999.00 through $3,199.00
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GEN3-GEN4 Calibration Conversion

$100.00
GEN3-to-GEN4 16 Injector Upgrade Kit
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GEN3-to-GEN4 16 Injector Upgrade Kit

BigStuff TPM
$69.00
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 16 Injector Pro Stock Kit
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GEN4 16 Injector Pro Stock Kit

BigStuff TPM
$929.00
GEN4 20' Unterminated Main Engine Harness
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GEN4 20′ Unterminated Main Engine Harness

BigStuff TPM
$899.00
GEN4 6' Unterminated Main Engine Harness
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GEN4 6′ Unterminated Main Engine Harness

BigStuff TPM
$599.00
GEN4 CAN-EGT 8 Channel Module8-Ch BIG BAND Module - (8) Channel CAN EGT Module for use with GEN4 EGT CAN / BSEFI Installed CAN Wiring
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GEN4 CAN-EGT 8 Channel Module8-Ch BIG BAND Module – (8) Channel CAN EGT Module for use with GEN4 EGT CAN / BSEFI Installed CAN Wiring

BigStuff TPM
$650.00
GEN4 CAN-EGT Wiring Harness
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GEN4 CAN-EGT Wiring Harness

$345.00
GEN4 CO2 Boost Solenoid Block
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GEN4 CO2 Boost Solenoid Block

BigStuff TPM
$199.00
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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.

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BigStuff TPM

7 days ago

BigStuff TPM
💪 Bob Gruber and his team work relentlessly not just to improve their own program, but also to work with us on improving our #BigStuffTPM ECU. It's feedback like this that keeps us motivated to help YOU do BIG things!🗣️💬 "The ability to walk next to the car and connect to the ECU was just one feature of the new BigStuff Gen4 Pro Xtreme. Real-time data logs without the laptop in the car, and remote data collection were among the countless other features. I can’t thank Ben Davidow and BigStuff enough for sponsoring our race program. Ben stayed in close contact with Nick Larson during the tuning sessions. His level of customer service was second to none." … See MoreSee Less

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