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Audi B5 A4 Quattro 1.8T

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Audi B5 A4 Quattro 1.8T Performance Parts & Upgrades

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Diverter (Bypass) Valve OEM 710N

ES#4880731 - 034-145-5001 - Diverter (Bypass) Valve OEM 710N - New OEM "710N" bypass valve with reinforced rubber diaphragm for longer use than other plastic valves. - 034Motorsport - Audi Volkswagen

New OEM "710N" bypass valve with reinforced rubber diaphragm for longer use than other plastic valves. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4880731
Mfg#:
034-145-5001
Ships in 2 Business Days
$91.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

H&R Quick-Safe Stud Conversion Kit

ES#2731486 - Q-SPack45-40 - H&R Quick-Safe Stud Conversion Kit - Set of 20 studs. M14 x 1.5 x 40 - H&R - Audi Volkswagen

Set of 20 studs. M14 x 1.5 x 40 We Price Match - Give Us A Call or Chat!

Brand:
H&R - Corporate Logo
ES#:
2731486
Mfg#:
Q-SPACK45-40
Ships in 3 Business Days
10% off MSRP

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

$174.95

This product was last offered at the strikethrough price on
09-13-2026

$157.45 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Front Sway Bar Bushing Set - Race - 29mm

ES#2650211 - PFF3-204-29BX2 - Performance Front Sway Bar Bushing Set - Race - 29mm - Stiffer bushings allow sway bars to work at their fullest potential - Powerflex Black Series - Audi Volkswagen

Stiffer bushings allow sway bars to work at their fullest potential

Brand:
Powerflex Black Series - Corporate Logo
ES#:
2650211
Mfg#:
PFF3-204-29BX2
In Stock
$56.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034 Motorsport 2.5mm Wheel Spacer - Pair

ES#4751521 - 034-604-7010 - 034 Motorsport 2.5mm Wheel Spacer - Pair - 2.5mm Wheel Spacer Pair is designed to fit most Audi & Volkswagen vehicles with a 57.1mm center bore and 5x112mm wheel bolt patterns. - 034Motorsport - Audi Volkswagen

2.5mm Wheel Spacer Pair is designed to fit most Audi & Volkswagen vehicles with a 57.1mm center bore and 5x112mm wheel bolt patterns. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4751521
Mfg#:
034-604-7010
Back Ordered
$48.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 2 Endurance Clutch Kit

ES#3477644 - k70205hdosmfKT1 - Stage 2 Endurance Clutch Kit - Designed for track use while still streetable. Conservatively rated at 325ft/lbs. - South Bend Clutch - Audi Volkswagen

Designed for track use while still streetable. Conservatively rated at 325ft/lbs. For use with single mass flywheel

Brand:
South Bend Clutch - Corporate Logo
ES#:
3477644
Mfg#:
K70205HDOSMFKT1
In Stock
$618.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 2 Drag Clutch Kit

ES#4500184 - K70205HDDXDBDMF - Stage 2 Drag Clutch Kit - Designed for drag or drift cars that see limited street use. Conservatively rated at 365ft/lbs. - South Bend Clutch - Audi Volkswagen

Designed for drag or drift cars that see limited street use. Conservatively rated at 365ft/lbs. Works with stock dual mass flywheel

Brand:
South Bend Clutch - Corporate Logo
ES#:
4500184
Mfg#:
K70205HDDXDBDMF
Ships in 1 Business Day
$618.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Crankshaft Girdle Kit

ES#2794148 - IEBEVA9 - Crankshaft Girdle Kit - Keep your engine block from flexing under torque - Integrated Engineering - Audi Volkswagen

Keep your engine block from flexing under torque Buy Integrated Engineering Software from 9/3/26 - 9/30/26 for a chance to win your Software for FREE!

Fits AWM engine code only

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794148
Mfg#:
IEBEVA9
Back Ordered
$617.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Lightweight Crank Pulley with Hardware

ES#2966353 - 002480ECS01BKT - Lightweight Crank Pulley with Hardware - Less rotational mass means more power - Assembled By ECS - Audi

Less rotational mass means more power 10X Entries Into Our F80 M3 Sweepstakes
Engine codes AEB & ATW

Brand:
Assembled By ECS - Corporate Logo
ES#:
2966353
Mfg#:
002480ECS01BKT
In Stock
$101.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Wheel Spacer & Bolt Kit - 3mm With Conical Seat Bolts

ES#2568225 - ECS10152KTWBC - ECS Wheel Spacer & Bolt Kit - 3mm With Conical Seat Bolts - Includes everything you need to install spacers on two wheels - ECS - Audi Volkswagen

Includes everything you need to install spacers on two wheels 10X Entries Into Our F80 M3 Sweepstakes
Please measure your hub protrusion to ensure it will still make contact with the center of the wheel. See

Brand:
ECS - Corporate Logo
ES#:
2568225
Mfg#:
ECS10152KTWBC
Ships in 1 Business Day
ON SALE! SAVE 25%
$135.99

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

$101.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Block Breather Adapter - 1.8T

ES#4147630 - 034-101-5002 - Billet Aluminum Block Breather Adapter - 1.8T - 1" Nipple, billet aluminum block breather adapter for a custom crankcase breather setup - 034Motorsport - Audi Volkswagen

1" Nipple, billet aluminum block breather adapter for a custom crankcase breather setup 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4147630
Mfg#:
034-101-5002
In Stock
$25.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Big Brake Kit - stage 1 - ECS V5 Cross Drilled & Slotted Rotors (312x25)

ES#91 - B5A8BBKNPAX/S - Front Big Brake Kit - stage 1 - ECS V5 Cross Drilled & Slotted Rotors (312x25) - Upgrade your stopping power with larger diameter rotors - Assembled By ECS - Audi Volkswagen

Upgrade your stopping power with larger diameter rotors 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
91
Mfg#:
B5A8BBKNPAX/S
Ships on Feb 12, 2027
ON SALE!
$644.80

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

$593.93 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Big Brake Kit - Stage 1 - ECS V5 Slotted Rotors (312x25)

ES#90 - B5A8BBKNPASLT - Front Big Brake Kit - Stage 1 - ECS V5 Slotted Rotors (312x25) - Upgrade your stopping power with larger diameter rotors - ECS - Audi Volkswagen

Upgrade your stopping power with larger diameter rotors 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
90
Mfg#:
B5A8BBKNPASLT
Ships on Feb 12, 2027
ON SALE! SAVE 10%
$651.92

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

$586.73 USD
This product is lifetime replacement eligible Lifetime Replacement

Street Density Rear Differential Bushings - Pair

ES#3176342 - 034-505-2001-SD - Street Density Rear Differential Bushings - Pair - Eliminates excessive rear differential movement and provides quick feedback - 034Motorsport - Audi

Eliminates excessive rear differential movement and provides quick feedback 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3176342
Mfg#:
034-505-2001-SD
Ships on Oct 5, 2026
$44.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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