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Audi A4 Performance Engine & Drivetrain Parts

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Atmospheric Blow-off Valve Spacer

ES#2862882 - CTSDVSPCR - Atmospheric Blow-off Valve Spacer - Direct bolt on spacer without worry of a check-engine light - CTS - Audi Volkswagen

Direct bolt on spacer without worry of a check-engine light

Brand:
CTS - Corporate Logo
ES#:
2862882
Mfg#:
CTSDVSPCR
Ships in 8 Business Days
ON SALE! SAVE 25%
$89.99

This product was last offered at the strikethrough price on
07-10-2026

$67.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RA4 Single Mass Flywheel Kit

ES#12085 - ECS212321B6KT - RA4 Single Mass Flywheel Kit - Choose street smooth or track tough - ECS - Audi

Choose street smooth or track tough 10X Entries For Our 25th Anniversary Sweepstakes!

For use with B5 S4/RS4 clutch kits only

Brand:
ECS - Corporate Logo
ES#:
12085
Mfg#:
ECS212321B6KT
Ships on Oct 5, 2026
Auto Notify
ON SALE! SAVE 25%
$536.99

This product was last offered at the strikethrough price on
06-13-2026

$402.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

RA4 Single Mass Flywheel Kit

ES#12084 - ECS212321B5KT - RA4 Single Mass Flywheel Kit - Engineered to convert your 1.8T clutch to the much more durable S4 clutch - ECS - Audi Volkswagen

Engineered to convert your 1.8T clutch to the much more durable S4 clutch 10X Entries For Our 25th Anniversary Sweepstakes!

To be used with RA4 240MM, S4, & RS4 clutch kits only

Brand:
ECS - Corporate Logo
ES#:
12084
Mfg#:
ECS212321B5KT
Ships on Oct 5, 2026
Auto Notify
ON SALE! SAVE 25%
$536.99

This product was last offered at the strikethrough price on
06-13-2026

$402.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8 A4/A5 2.0T Performance Pack - Level 1

ES#4016990 - b820tpplvl1KT - B8 A4/A5 2.0T Performance Pack - Level 1 - Entry-level 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

Entry-level 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#:
4016990
Mfg#:
B820TPPLVL1KT
Ships on Dec 21, 2026
ON SALE! SAVE 14%
$464.99

This product was last offered at the strikethrough price on
05-02-2026

$401.25 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wiseco Performance Piston Set

ES#2793900 - WIS18TK563M82 - Wiseco Performance Piston Set - Includes rings, wire locks, and wrist pins - 82mm bore, 9:8 CR, 86.4mm stroke (stock) - Wiseco - Audi Volkswagen

Includes rings, wire locks, and wrist pins - 82mm bore, 9:8 CR, 86.4mm stroke (stock) *For use with 20mm wrist pin connecting rods*

Brand:
Wiseco - Corporate Logo
ES#:
2793900
Mfg#:
WIS18TK563M82
Back Ordered
$799.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wiseco Performance Piston Set

ES#2794721 - WIS18TK563M81 - Wiseco Performance Piston Set - Includes rings, wire locks, and wrist pins - 81mm bore (stock), 9:1 CR, 86.4mm stroke (stock) - Wiseco - Audi Volkswagen

Includes rings, wire locks, and wrist pins - 81mm bore (stock), 9:1 CR, 86.4mm stroke (stock) *For use with 20mm wrist pin connecting rods*

Brand:
Wiseco - Corporate Logo
ES#:
2794721
Mfg#:
WIS18TK563M81
Back Ordered
$799.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

CTS Street Sport Engine Mount Kit

ES#4140455 - cts-em-b8-50dKT - CTS Street Sport Engine Mount Kit - 50 Durometer rubber construction - Set of two mounts for left and right sides - CTS - Audi

50 Durometer rubber construction - Set of two mounts for left and right sides

Brand:
CTS - Corporate Logo
ES#:
4140455
Mfg#:
CTS-EM-B8-50DKT
Back Ordered
Auto Notify
$399.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Density Line Motor Mount Kit - Street Density

ES#3183380 - 034-509-0007kt1 - Density Line Motor Mount Kit - Street Density - Void-free and fluid-free, eliminating the slop associated with the factory mounts - 034Motorsport - Audi

Void-free and fluid-free, eliminating the slop associated with the factory mounts For vehicles with electronically monitored engine mounts.

Brand:
034Motorsport - Corporate Logo
ES#:
3183380
Mfg#:
034-509-0007KT1
In Stock
$294.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Luft-Technik Intake Air Scoop - Audi B8 A4/A5/S4/S5

ES#3220796 - 017429ECS01 - Luft-Technik Intake Air Scoop - Audi B8 A4/A5/S4/S5 - Extends farther down behind the grille to direct more air to the intake system - ECS - Audi

Extends farther down behind the grille to direct more air to the intake system 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3220796
Mfg#:
017429ECS01
In Stock
ON SALE! SAVE 56%
$216.99

This product was last offered at the strikethrough price on
05-02-2026

$95.79 USD
Free Shipping

FX400 (8-puck) Single Disc Clutch Kits

ES#2828949 - 02025HDCL - FX400 (8-puck) Single Disc Clutch Kits - Built to OEM specifications to work with factory oem flywheel - Clutch Masters - Audi

Built to OEM specifications to work with factory oem flywheel For use with factory OEM flywheel

Brand:
Clutch Masters - Corporate Logo
ES#:
2828949
Mfg#:
02025HDCL
Ships in 8 Business Days
15% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$922.99

This product was last offered at the strikethrough price on
07-21-2026

$784.99 USD
Free Shipping
on orders $49 and up

Stage 2 Clutch Kit

ES#2570171 - SA5923 - Stage 2 Clutch Kit - Offers more holding power with a full faced, pure Kevlar disc with steel backing - Spec Clutches - Audi

Offers more holding power with a full faced, pure Kevlar disc with steel backing

Brand:
Spec Clutches - Corporate Logo
ES#:
2570171
Mfg#:
SA5923
Back Ordered
$773.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CTS Transmission Mount Insert

ES#3410473 - CTS-HW-0249 - CTS Transmission Mount Insert - Eliminate excess drivetrain slop and movement without additional NVH - CTS - Audi

Eliminate excess drivetrain slop and movement without additional NVH

Brand:
CTS - Corporate Logo
ES#:
3410473
Mfg#:
CTS-HW-0249
Back Ordered
ON SALE! SAVE 20%
$59.99

This product was last offered at the strikethrough price on
07-10-2026

$47.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BFI B8 Engine Mount Kit (W/Trans Insert) - Stage 2

ES#3991436 - BFI8KSTG2-KIT - BFI B8 Engine Mount Kit (W/Trans Insert) - Stage 2 - Total solution for replacing and upgrading your notoriously weak stock engine mounts for your B8 / B8.5 Audi. - Black Forest Industries - Audi

Total solution for replacing and upgrading your notoriously weak stock engine mounts for your B8 / B8.5 Audi.

Brand:
Black Forest Industries - Corporate Logo
ES#:
3991436
Mfg#:
BFI8KSTG2-KIT
Ships on Aug 12, 2026
$759.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Mount Intercooler Kit - For Big Turbo

ES#3142475 - CTSB6A4FMIC600BT - Front Mount Intercooler Kit - For Big Turbo - Decrease heatsoak with this front mount intercooler - CTS - Audi

Decrease heatsoak with this front mount intercooler

Brand:
CTS - Corporate Logo
ES#:
3142475
Mfg#:
CTSB6A4FMIC600BT
Ships in 8 Business Days
$749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Mount Intercooler Kit - For K03

ES#3046115 - CTSB6A4FMICKIT - Front Mount Intercooler Kit - For K03 - Decrease heatsoak with this front mount intercooler - CTS - Audi

Decrease heatsoak with this front mount intercooler

Brand:
CTS - Corporate Logo
ES#:
3046115
Mfg#:
CTSB6A4FMICKIT
Ships in 8 Business Days
$749.99 USD
Free Shipping
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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