Browse chassis-specific parts, engine harnesses, 8HP conversion kits, and fuel packages. Add what you need to your cart and submit an order request — we'll handle the rest.
Audi B5
A4 / S4 · 1995–2002
The B5 platform brought Audi's turbocharged 1.8T and 2.7T V6 to the masses. Parts below are tailored for 1.8T and 2.7T builds, including turbo conversions, 8HP integration, and standalone ECU calibration.
B5 1.8T Engine Harness
Custom standalone harness for 1.8T engine management with MaxxECU / Link G4X integration.
B5 2.7T Fuel System Kit
Complete fuel system package with injectors, pump, and regulator for twin-turbo 2.7T V6 builds.
B5 8HP Conversion Kit
ZF 8HP transmission conversion package with custom harness, TCU calibration, and shifter assembly.
B5 1.8T ECU Calibration
Professional ECU tuning and calibration for 1.8T — turbo, fuel, and ignition maps dialed in.
Audi B6
A4 / S4 · 2001–2005
The B6 refined the B5 formula with a stiffer chassis and updated 1.8T, 3.0 V6, and the legendary 2.7T in the S4. Parts below cover standalone harness, fuel, 8HP, and turbo packages.
B6 1.8T Standalone Harness
Standalone engine harness for 1.8T swaps and conversions with full sensor integration.
B6 3.0 V6 Fuel System
Upgraded fuel system for 3.0 V6 with high-flow injectors and pump for NA or forced induction.
B6 8HP Conversion Kit
ZF 8HP conversion package with custom TCU harness, calibration, and mechanical fitment kit.
B6 2.7T S4 Turbo Package
Complete turbo upgrade package for 2.7T S4 — upgraded turbos, lines, and intercooler piping.
Audi B9
A4 / S4 / RS4 · 2016–Present
The B9 generation introduced direct injection and turbocharging across the lineup with the 2.0T and 3.0T V6. Parts below support DI strategies, 8HP conversions, and fuel system design.
B9 2.0T DI Harness
Direct injection engine harness for 2.0T with Link G5 Voodoo Pro / MaxxECU Race integration.
B9 3.0T V6 Fuel System
High-performance fuel system for 3.0T V6 with port + DI support and upgraded pump and injectors.
B9 8HP Conversion Kit
ZF 8HP conversion kit for S4 / RS4 with TCU calibration and custom harness fabrication.
B9 2.0T ECU Calibration
DI-compatible ECU calibration for 2.0T — optimized for turbo upgrades and fuel system enhancements.
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