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Audi S4 Performance Engine & Drivetrain Parts

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ES#3647472 - ST-AEVI-1103 - Supertech Inconel Exhaust Valve - 1.8T/2.7T - Priced Each  - Standard sized valve head diameter, factory triple groove keeper setup - Supertech - Audi Volkswagen

Standard sized valve head diameter, factory triple groove keeper setup *Valves priced individually - For 1.8T - qty 8 needed / For 2.7T - qty 12 needed - Please see long description for additional valve seal/keeper informati

Brand:
Supertech - Corporate Logo
ES#:
3647472
Mfg#:
ST-AEVI-1103
In Stock
$44.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4045867 - 06E105251F-179mm - JHM HD Overdrive Lightweight Supercharger Crank Pulley (179mm) - Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly. - JH Motorsports  - Audi Volkswagen Porsche

Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly. *To be used with 'Stage 2' software or software specific to a supercharger crank pulley upgrade*

Brand:
JH Motorsports  - Corporate Logo
ES#:
4045867
Mfg#:
06E105251F-179MM
Ships in 3 Business Days
$324.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2864571 - 034-112-6007-BLA - Silicone Throttle Body Boot - Black - Replaces the troublesome and weak "Y" boot - Includes clamps - 034Motorsport - Audi

Replaces the troublesome and weak "Y" boot - Includes clamps 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2864571
Mfg#:
034-112-6007-BLA
In Stock
$107.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5271 - 001564ECS01 - Adjustable Fuel Pressure Regulator - Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 25psi - 75psi - ECS - Audi Volkswagen

Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 25psi - 75psi 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
5271
Mfg#:
001564ECS01
In Stock
ON SALE!
$195.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3432231 - 034-145-A003 - Performance Silicone Intercooler Hose Set - Replace your failure-prone factory rubber hoses with boost-friendly silicone! - 034Motorsport - Audi

Replace your failure-prone factory rubber hoses with boost-friendly silicone! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3432231
Mfg#:
034-145-A003
In Stock
$234.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

The Turbo Systems hybrid turbocharger is an original turbocharger that has been reworked to suit larger compressor and turbine wheels, along with a ball bearing cartridge.

Brand:
Emmanuele Design - Corporate Logo
ES#:
4415834
Mfg#:
TSH55TFSI-STG2
Ships in 2 Business Days
$3499.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4419869 - B8029A2 - Might-As-Well-Be-Gated Kit W/Short Shift Clamp - This combo all but eliminates shifter slop and flex under load. - JXB Performance  - Audi

This combo all but eliminates shifter slop and flex under load.

Brand:
JXB Performance  - Corporate Logo
ES#:
4419869
Mfg#:
B8029A2
Ships in 4 Business Days
$494.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#514125 - 0580254044 - Bosch 044 High Flow Fuel Pump - 270 LPH - Great for when more fuel is needed in a custom fueling application - Bosch - Audi Volkswagen

Great for when more fuel is needed in a custom fueling application We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
514125
Mfg#:
0580254044
In Stock
$230.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3569343 - 200001006KT - Upgraded Intercooler Kit - Bigger intercoolers with carbon air ducts - Wagner Tuning - Audi

Bigger intercoolers with carbon air ducts

Brand:
Wagner Tuning - Corporate Logo
ES#:
3569343
Mfg#:
200001006KT
Ships in 3 Business Days
$1140.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2836902 - 40309175WK - Limited Slip Differential  - Put all your power to the ground! - Wavetrac - Audi Porsche

Put all your power to the ground! Fits 0A3 manual transmission models only

Brand:
Wavetrac - Corporate Logo
ES#:
2836902
Mfg#:
40309175WK
Ships in 3 Business Days
$1695.00 USD
Free Shipping
ES#3106516 - k70398fhdoKT - Stage 2 Daily Clutch Kit - Designed for the daily-driven, weekend track warrior. Conservatively rated at 350ft/lbs. - South Bend Clutch - Audi

Designed for the daily-driven, weekend track warrior. Conservatively rated at 350ft/lbs. Includes single mass flywheel

Brand:
South Bend Clutch - Corporate Logo
ES#:
3106516
Mfg#:
K70398FHDOKT
In Stock
$1692.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4846368 - 034-509-0089 - Motorsport StreetSport Engine Mounts - Pair - Designed with extreme performance in mind and manufactured from billet aluminum and high-durometer Density Line rubber for better ride characteristics than polyurethane. - 034Motorsport - Audi

Designed with extreme performance in mind and manufactured from billet aluminum and high-durometer Density Line rubber for better ride characteristics than polyurethane. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4846368
Mfg#:
034-509-0089
In Stock
$677.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2779628 - SA303H-3 - Stage 2+ Clutch Kit - Features a full faced, multi-friction disc with a torque rating of 490ft/lbs - Spec Clutches - Audi

Features a full faced, multi-friction disc with a torque rating of 490ft/lbs

Brand:
Spec Clutches - Corporate Logo
ES#:
2779628
Mfg#:
SA303H-3
In Stock
$1089.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4840220 - B8033A0 - Billet Linkage Stabilizer Rod Upgrade - Replaces failure-prone stock anchor rod - JXB Performance  - Audi

Replaces failure-prone stock anchor rod

Brand:
JXB Performance  - Corporate Logo
ES#:
4840220
Mfg#:
B8033A0
In Stock at Vendor
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4046136 - STS-B5S4E - JHM Solid Short Throw Shifter (Early Style) - If you desire the ultimate in shifting, the JH Motorsports B5 S4, C5 A6-allroad and B5 Passat Early Style Solid Short Throw Shifter is the perfect solution! - JH Motorsports  - Audi

If you desire the ultimate in shifting, the JH Motorsports B5 S4, C5 A6-allroad and B5 Passat Early Style Solid Short Throw Shifter is the perfect solution! *For early style shifters - Please see shifter comparison links in product description*

Brand:
JH Motorsports  - Corporate Logo
ES#:
4046136
Mfg#:
STS-B5S4E
In Stock
$294.99 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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