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Click HERE to Shop BigStuff Gen4 ProXtreme EFI Systems

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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
GEN4 PRO XTREME - 1/4" Type-K Thermocouple for BIG BAND Module
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GEN4 PRO XTREME – 1/4″ Type-K Thermocouple for BIG BAND Module

BigStuff TPM
$105.00
GEN4 PRO XTREME - CAT6a Shielded Ethernet Cable
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GEN4 PRO XTREME – CAT6a Shielded Ethernet Cable

BigStuff TPM
$11.00 – $30.00Price range: $11.00 through $30.00
GEN4 PRO XTREME - Cinch Terminal Removal Kit (for removing & relocating GEN3 ECU harness terminals to be compatible with GEN4 ECU)
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GEN4 PRO XTREME – Cinch Terminal Removal Kit (for removing & relocating GEN3 ECU harness terminals to be compatible with GEN4 ECU)

BigStuff TPM
$100.00

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GEN4 PRO XTREME - Dyno / Race Car Wireless Router Kit
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GEN4 PRO XTREME – Dyno / Race Car Wireless Router Kit

BigStuff TPM
$299.00
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GEN4 PRO XTREME – GEN4 9th Injector Harness

BigStuff TPM
$129.00
GEN4 PRO XTREME - GEN4 OFU Hardware Kit - BOOST (Includes Wire Harness, Sensor and CO2 Block)
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GEN4 PRO XTREME – GEN4 OFU Hardware Kit – BOOST (Includes Wire Harness, Sensor and CO2 Block)

BigStuff TPM
$379.00
GEN4 PRO XTREME - GEN4 OFU Harness Kit - 4L60E / 4L80E
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GEN4 PRO XTREME – GEN4 OFU Harness Kit – 4L60E / 4L80E

BigStuff TPM
$269.00
GEN4 PRO XTREME - GEN4 OFU Harness Kit - 6-STAGE NOS
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GEN4 PRO XTREME – GEN4 OFU Harness Kit – 6-STAGE NOS

BigStuff TPM
$279.00
GEN4 PRO XTREME - GEN4 OFU Harness Kit - BOOST
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GEN4 PRO XTREME – GEN4 OFU Harness Kit – BOOST

BigStuff TPM
$119.00
GEN4 PRO XTREME - GEN4 OFU Harness Kit - DAE
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GEN4 PRO XTREME – GEN4 OFU Harness Kit – DAE

BigStuff TPM
$279.00
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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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The off-season will be here in no time. Ready to step up your program and WIN in 2026? Give #BigStuffTPM a call and we'll get you set up with the latest in total power management solutions. 💪📸 Peter PisaliNDRC – National Drag Racing Championshipnship winner … See MoreSee Less

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