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Audi A4 Performance Parts & Upgrades

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JE Performance Piston Set

ES#3509366 - JE18T242926 - JE Performance Piston Set - Includes rings, wire locks, and wrist pins - 81.5mm bore (0.5mm overbore), 8.5:1 CR, 86.4mm stroke (stock) - JE Piston - Audi Volkswagen

Includes rings, wire locks, and wrist pins - 81.5mm bore (0.5mm overbore), 8.5:1 CR, 86.4mm stroke (stock) *For use with 20mm wrist pin connecting rods*

Brand:
JE Piston - Corporate Logo
ES#:
3509366
Mfg#:
JE18T242926
In Stock at Vendor
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RA4 240mm Clutch Conversion Kit - Stage 1, Driveshaft Center Support Bearing Carrier & Rear Differential Mount

ES#4751080 - ECSB6A4RA4S1EBKT - RA4 240mm Clutch Conversion Kit - Stage 1, Driveshaft Center Support Bearing Carrier & Rear Differential Mount - Lightweight flywheel with the S4 pressure plate and disc - Enthusiast Bundles - Audi

Lightweight flywheel with the S4 pressure plate and disc Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One!

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4751080
Mfg#:
ECSB6A4RA4S1EBKT
Ships on Sep 14, 2026
Auto Notify
ON SALE! SAVE 25%
$1203.99

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

$899.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

JE Forged Piston Set

ES#3107786 - JEFSI279931 - JE Forged Piston Set - Includes rings, wrist pins, and pin locks - 83mm bore +.5mm overbore, 9.04:1 CR, 92.8mm stroke (stock) 20mm wrist pin - JE Piston - Audi Volkswagen

Includes rings, wrist pins, and pin locks - 83mm bore +.5mm overbore, 9.04:1 CR, 92.8mm stroke (stock) 20mm wrist pin

Brand:
JE Piston - Corporate Logo
ES#:
3107786
Mfg#:
JEFSI279931
Back Ordered
$1699.99

This product was last offered at the strikethrough price on
02-08-2026

$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JE Performance Piston Set

ES#2794316 - JE18T242909 - JE Performance Piston Set - Includes rings, wire locks, and wrist pins - 81mm bore (stock), 8.5:1 CR, 86.4mm stroke (stock) - JE Piston - Audi Volkswagen

Includes rings, wire locks, and wrist pins - 81mm bore (stock), 8.5:1 CR, 86.4mm stroke (stock) *For use with 20mm wrist pin connecting rods*

Brand:
JE Piston - Corporate Logo
ES#:
2794316
Mfg#:
JE18T242909
Back Ordered
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JE Performance Piston Set

ES#4849836 - 353830 - JE Performance Piston Set - Includes rings, wire locks, and wrist pins - 82mm bore (1mm overbore), 9.25:1 CR, 86.4mm stroke (stock) - JE Piston - Audi Volkswagen

Includes rings, wire locks, and wrist pins - 82mm bore (1mm overbore), 9.25:1 CR, 86.4mm stroke (stock) *For use with 20mm wrist pin connecting rods*

Brand:
JE Piston - Corporate Logo
ES#:
4849836
Mfg#:
353830
Back Ordered
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Driveshaft Center Support Bearing Carrier

Holds the driveshaft where it should be. For vehicles with 01A, 01E, or 0A3 transmissions.

Brand:
JXB Performance - Corporate Logo
ES#:
4304955
Mfg#:
B6002A0
In Stock at Vendor
Starting at $299.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

5mm Wheel Spacers - Black (Pair)

ES#3476423 - 021460TMS02-04 - 5mm Wheel Spacers - Black (Pair) - Lightweight wheel spacers with a machined tab for easy removal - Turner Motorsport - Audi BMW MINI Porsche

Lightweight wheel spacers with a machined tab for easy removal 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3476423
Mfg#:
021460TMS02-04
In Stock
ON SALE! SAVE 25%
$149.99

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

$112.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Competition Intercooler Kit

ES#3569351 - 200001045KT - Competition Intercooler Kit - Large competition intercooler with silicone hoses - Wagner Tuning - Audi

Large competition intercooler with silicone hoses - Fits up to the 2012 model year (pre-facelift)

Brand:
Wagner Tuning - Corporate Logo
ES#:
3569351
Mfg#:
200001045KT
Ships in 1 Business Day
$899.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Bilstein B12 Pro-Kit Suspension System

ES#2983856 - 46-188564 - Bilstein B12 Pro-Kit Suspension System - Expertly matched performance Eibach Pro-line lowering springs and Bilstein shock/strut package for a dramatic increase in performance handling. World-famous Bilstein quality with a limited lifetime warranty! - Bilstein - Audi

Expertly matched performance Eibach Pro-line lowering springs and Bilstein shock/strut package for a dramatic increase in performance handling. World-famous Bilstein quality with a limited lifetime warranty! 2X Entries For Our 25th Anniversary Sweepstakes!
2X Entries For Our Spin To Win Sweepstakes!
For Avant models with Manual transmission.

Brand:
Bilstein - Corporate Logo
ES#:
2983856
Mfg#:
46-188564
Back Ordered
$899.00 USD
Free Shipping

Stage 3 Daily Clutch Kit

ES#3477643 - 70205ssosmfKT - Stage 3 Daily Clutch Kit - Designed for high-powered street cars while capable enough to handle the track. Conservatively rated at 395ft/lbs. - South Bend Clutch - Audi Volkswagen

Designed for high-powered street cars while capable enough to handle the track. Conservatively rated at 395ft/lbs.

Brand:
South Bend Clutch - Corporate Logo
ES#:
3477643
Mfg#:
70205SSOSMFKT
Ships in 1 Business Day
$891.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Front Lip Spoiler

ES#3142810 - D28241 - Carbon Fiber Front Lip Spoiler - Delivers an unmatched combination of aggressiveness and luxury elegance - Deval - Audi

Delivers an unmatched combination of aggressiveness and luxury elegance Fits 2013+ (facelift) S-line models only

Brand:
Deval - Corporate Logo
ES#:
3142810
Mfg#:
D28241
Special Order: No Guaranteed ETA
$890.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Carbon Fiber Front Lip Spoiler

ES#3142808 - D28231 - Carbon Fiber Front Lip Spoiler - Delivers an unmatched combination of aggressiveness and luxury elegance - Deval - Audi

Delivers an unmatched combination of aggressiveness and luxury elegance Fits 2009-2012 (pre-facelift) S-line models only

Brand:
Deval - Corporate Logo
ES#:
3142808
Mfg#:
D28231
Special Order: No Guaranteed ETA
$890.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Front Upper Control Arm Bushing Set - Inner - Street

ES#2651917 - PFF3-203x4 - Front Upper Control Arm Bushing Set - Inner - Street - Improves handling and control - Upgrade to a more engaging driving experience - Powerflex - Audi Volkswagen

Improves handling and control - Upgrade to a more engaging driving experience

Brand:
Powerflex - Corporate Logo
ES#:
2651917
Mfg#:
PFF3-203X4
Ships in 1 Business Day
$126.99 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

Stage 2+ Clutch Kit

ES#2570172 - SA593H3 - Stage 2+ Clutch Kit - Offers more holding power with a full faced, multi-friction clutch disc - Spec Clutches - Audi

Offers more holding power with a full faced, multi-friction clutch disc

Brand:
Spec Clutches - Corporate Logo
ES#:
2570172
Mfg#:
SA593H3
Back Ordered
$881.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Parts & Upgrades

All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.

Let us help you find the parts that fit your Audi

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