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Audi S4 Performance Engine & Drivetrain Parts

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Revo Carbon Series Intake Kit

ES#4499836 - RA841M200200 - Revo Carbon Series Intake Kit - The Carbon Series has performance woven into the core of every product. - REVO - Audi

The Carbon Series has performance woven into the core of every product. For models with CWGD engine code.

Brand:
REVO - Corporate Logo
ES#:
4499836
Mfg#:
RA841M200200
In Stock
$595.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Drop-In Performance Billet Fuel Rail Kit

ES#3419591 - 034-106-7042-S4 - Complete Drop-In Performance Billet Fuel Rail Kit - Includes everything needed to install 034Motorsport Billet Aluminum Fuel Rails on your 2.7T - 034Motorsport - Audi

Includes everything needed to install 034Motorsport Billet Aluminum Fuel Rails on your 2.7T Only fits with factory 2.7T intake manifold - Does not fit RS4 manifold

Brand:
034Motorsport - Corporate Logo
ES#:
3419591
Mfg#:
034-106-7042-S4
Back Ordered
$659.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B5/C5 2.7T Performance Pack

ES#4017073 - b5c527tpplvl1KT - B5/C5 2.7T Performance Pack - Performance kit composed of a careful selection of our best sellers, offering valuable performance gains at a 'bang for the buck' price point - Assembled By ECS - Audi

Performance kit composed of a careful selection of our best sellers, offering valuable performance gains at a 'bang for the buck' price point 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4017073
Mfg#:
B5C527TPPLVL1KT
Ships on Dec 23, 2026
$586.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE 3.0T High Pressure Fuel Pump (HPFP) Assembly Tool

ES#4642771 - IEFUVO1-5 - IE 3.0T High Pressure Fuel Pump (HPFP) Assembly Tool - Required install tool for ES4642770 - Integrated Engineering - Audi

Required install tool for ES4642770 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4642771
Mfg#:
IEFUVO1-5
In Stock
$35.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supertech Inconel Exhaust Valve Kit

ES#3647476 - ST-AEVI-1103KT1 - Supertech Inconel Exhaust Valve Kit - Stock sized valve head diameter, factory triple groove keeper setup - Includes Supertech valves and IE valve seals - Assembled By ECS - Audi

Stock sized valve head diameter, factory triple groove keeper setup - Includes Supertech valves and IE valve seals 10X Entries For Our 25th Anniversary Sweepstakes!
*Existing factory triple-groove valve keepers are to be reused*

Brand:
Assembled By ECS - Corporate Logo
ES#:
3647476
Mfg#:
ST-AEVI-1103KT1
In Stock
$573.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Lightweight Billet Flexplate

ES#4500291 - FP-060AM-HD - Lightweight Billet Flexplate - Prevent your stock flexplate from cracking with this Billet unit! - Clutch Masters - Audi

Prevent your stock flexplate from cracking with this Billet unit!

Brand:
Clutch Masters - Corporate Logo
ES#:
4500291
Mfg#:
FP-060AM-HD
Ships in 6 Business Days
$572.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Injector Connector Adapter - Priced Each

ES#4013558 - 034-702-0022 - Injector Connector Adapter - Priced Each - Injector connector adapter for installing EV14 USCAR style injectors in harness applications originally intended for Bosch Jetronic/Motronic style connectors - Bosch - Audi

Injector connector adapter for installing EV14 USCAR style injectors in harness applications originally intended for Bosch Jetronic/Motronic style connectors 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4013558
Mfg#:
034-702-0022
Back Ordered
Auto Notify
$18.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Single-Mass Lightweight Flywheel

ES#3998855 - 034-503-1009 - Billet Aluminum Single-Mass Lightweight Flywheel - Weighing in at 14 lbs, allows for faster revving and easier rev matching when downshifting. - 034Motorsport - Audi

Weighing in at 14 lbs, allows for faster revving and easier rev matching when downshifting. *For use with Audi B7 RS4 Clutch Kit - ES2550660*

Brand:
034Motorsport - Corporate Logo
ES#:
3998855
Mfg#:
034-503-1009
Back Ordered
$629.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supertech Stainless Intake Valve Kit

ES#3647478 - ST-AIVN-1103KT1 - Supertech Stainless Intake Valve Kit - Stock sized valve head diameter, factory triple groove keeper setup - Includes Supertech valves and IE valve seals - Assembled By ECS - Audi

Stock sized valve head diameter, factory triple groove keeper setup - Includes Supertech valves and IE valve seals 10X Entries For Our 25th Anniversary Sweepstakes!
*Existing factory triple-groove valve keepers are to be reused*

Brand:
Assembled By ECS - Corporate Logo
ES#:
3647478
Mfg#:
ST-AIVN-1103KT1
Ships in 6 Business Days
$559.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Shift Kit

ES#3145389 - 009198ECS01KT - Ultimate Shift Kit - Includes the ECS Adjustable Short Throw Shifter paired with BFI's Heavy Weight SCHWARZ Shift Knob - ECS / BFI - Audi

Includes the ECS Adjustable Short Throw Shifter paired with BFI's Heavy Weight SCHWARZ Shift Knob

Brand:
ECS / BFI
ES#:
3145389
Mfg#:
009198ECS01KT
Ships in 8 Business Days
$558.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mishimoto Liquid Chill Radiator Coolant Additive - 4oz

ES#2764643 - MMRALC - Mishimoto Liquid Chill Radiator Coolant Additive - 4oz - Pairs with all types of coolant to increase heat transfer and decrease engine temps. - Mishimoto - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Pairs with all types of coolant to increase heat transfer and decrease engine temps.

Brand:
Mishimoto - Corporate Logo
ES#:
2764643
Mfg#:
MMRALC
In Stock
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Performance Software - Flashed @ ECS

ES#4465107 - 4.2-5V - Unitronic Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Audi

Choose the stage that meets your power goals! This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4465107
Mfg#:
4.2-5V
In Stock
Starting at $550.00 USD
Customize
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Performance Software - Flashed @ ECS

ES#4464667 - 2.7T-5VT - Unitronic Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Audi

Choose the stage that meets your power goals! This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4464667
Mfg#:
2.7T-5VT
In Stock
Starting at $550.00 USD
Customize
This product is lifetime replacement eligible Lifetime Replacement

Supertech Stainless Intake Valve - 1.8T/2.7T - Priced Each

ES#3647467 - ST-AIVN-1103S - Supertech Stainless Intake Valve - 1.8T/2.7T - Priced Each - Stock sized valve head diameter, single groove keeper setup for high RPM use - Supertech - Audi Volkswagen

Stock sized valve head diameter, single groove keeper setup for high RPM use *Valves priced individually - For 1.8T - qty 12 needed / For 2.7T - qty 18 needed - Please see long description for additional valve seal/keeper informa

Brand:
Supertech - Corporate Logo
ES#:
3647467
Mfg#:
ST-AIVN-1103S
Back Ordered
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine & Drivetrain Parts

Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.

Let us help you find the parts that fit your Audi

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Manufacturer names and/or part numbers are used only for identification purposes.

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