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Audi B5 A4 Quattro 1.8T

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Audi B5 A4 Quattro 1.8T Performance Engine & Drivetrain Parts

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Supertech Inconel Exhaust Valve Kit

ES#3647523 - ST-AEVI-1106SKT - Supertech Inconel Exhaust Valve Kit - +1mm oversized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals - Assembled By ECS - Audi Volkswagen

+1mm oversized valve head diameter, single groove keeper setup for high RPM use - Includes Supertech valves, single groove keepers and IE valve seals 10X Entries Into Our F80 M3 Sweepstakes
*Oversized valves require extra machine work to the cylinder head.*

Brand:
Assembled By ECS - Corporate Logo
ES#:
3647523
Mfg#:
ST-AEVI-1106SKT
Back Ordered
$429.99 USD
Free Shipping
on orders $49 and up
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 Into Our F80 M3 Sweepstakes

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

Brand:
ECS - Corporate Logo
ES#:
12084
Mfg#:
ECS212321B5KT
Ships in 10 Business Days
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

DeatschWerks Bosch EV14 95lb/hr Injectors (Set Of 4)

ES#4138627 - 17U-00-0095-4 - DeatschWerks Bosch EV14 95lb/hr Injectors (Set Of 4) - 95 lb/hr - DeatschWerks Bosch EV14 Universal 48mm Standard 95lb/hr Injectors (Set Of 4) - DeatschWerks - Audi

95 lb/hr - DeatschWerks Bosch EV14 Universal 48mm Standard 95lb/hr Injectors (Set Of 4) *For custom applications that call for extra fuel - To be used with proper tuning / software after install*

Brand:
DeatschWerks - Corporate Logo
ES#:
4138627
Mfg#:
17U-00-0095-4
In Stock at Vendor
$399.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Diverter Valve - Polished

ES#2917784 - DV25 - Diverter Valve - Polished - Keep your turbo boosting like it should - Euro Sport Acc - Audi Volkswagen

Keep your turbo boosting like it should

Brand:
Euro Sport Acc - Corporate Logo
ES#:
2917784
Mfg#:
DV25
Ships in 3 Business Days
$129.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

5 Speed Street Short Shifter - Black Shift Knob

ES#4810682 - A4-B5/6/7-S-SSK5 - 5 Speed Street Short Shifter - Black Shift Knob - Ditch the sluggish stock shifter and elevate your driving experience - REVIN - Audi

Ditch the sluggish stock shifter and elevate your driving experience Fits all shift knobs with 12mm x 1.5.

Brand:
REVIN - Corporate Logo
ES#:
4810682
Mfg#:
A4-B5/6/7-S-SSK5
Back Ordered
$377.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Drop-In Fuel Pump Adapter Kit - Bosch 60mm

ES#3194921 - 034-106-6018 - Billet Drop-In Fuel Pump Adapter Kit - Bosch 60mm - Billet Aluminum Drop-In Fuel Pump Mounting Bracket for Audi Applications! - 034Motorsport - Audi

Billet Aluminum Drop-In Fuel Pump Mounting Bracket for Audi Applications! 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
3194921
Mfg#:
034-106-6018
Ships in 2 Business Days
$188.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.0T Coil Pack Conversion Kit - Stage 2

ES#2713405 - 002598ECS16KT - 2.0T Coil Pack Conversion Kit - Stage 2 - Includes anodized black conversion plate -w- black 2.0T coils and silver hold down kit - ECS - Audi Volkswagen

Includes anodized black conversion plate -w- black 2.0T coils and silver hold down kit 10X Entries Into Our F80 M3 Sweepstakes

Fits ATW & AWM engine code models only

Brand:
ECS - Corporate Logo
ES#:
2713405
Mfg#:
002598ECS16KT
In Stock
$366.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.0T Coil Pack Conversion Kit - Stage 2

ES#2713394 - 002598ECS06KT - 2.0T Coil Pack Conversion Kit - Stage 2 - Includes wrinkle black conversion plate -w- black 2.0T coils and black hold down kit - ECS - Audi Volkswagen

Includes wrinkle black conversion plate -w- black 2.0T coils and black hold down kit 10X Entries Into Our F80 M3 Sweepstakes

Fits ATW & AWM engine code models only

Brand:
ECS - Corporate Logo
ES#:
2713394
Mfg#:
002598ECS06KT
In Stock
$366.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.0T Coil Pack Conversion Kit - Stage 2

ES#2713414 - 002598ECS22KT - 2.0T Coil Pack Conversion Kit - Stage 2 - Includes wrinkle red conversion plate -w- black 2.0T coils and black hold down kit - ECS - Audi Volkswagen

Includes wrinkle red conversion plate -w- black 2.0T coils and black hold down kit 10X Entries Into Our F80 M3 Sweepstakes

Fits ATW & AWM engine code models only

Brand:
ECS - Corporate Logo
ES#:
2713414
Mfg#:
002598ECS22KT
In Stock
$366.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.0T Coil Pack Conversion Kit - Stage 2

ES#2713395 - 002598ECS08KT - 2.0T Coil Pack Conversion Kit - Stage 2 - Includes wrinkle black conversion plate -w- black 2.0T coils and silver hold down kit - ECS - Audi Volkswagen

Includes wrinkle black conversion plate -w- black 2.0T coils and silver hold down kit 10X Entries Into Our F80 M3 Sweepstakes

Fits ATW & AWM engine code models only

Brand:
ECS - Corporate Logo
ES#:
2713395
Mfg#:
002598ECS08KT
In Stock
$366.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

CDA - Carbon Dynamic Airbox

ES#3305542 - ACCDASP-05 - CDA - Carbon Dynamic Airbox - High performance carbon fiber intake made in Italy - BMC - Audi Volkswagen

High performance carbon fiber intake made in Italy

Brand:
BMC - Corporate Logo
ES#:
3305542
Mfg#:
ACCDASP-05
Back Ordered
$358.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supertech Inconel Exhaust Valve Set Of 8

+1mm oversized valve head diameter, single groove keeper setup for high RPM use

Brand:
Supertech - Corporate Logo
ES#:
4473987
Mfg#:
AEVI-1106S-8
Ships in 8 Business Days
$357.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

2.0T Coil Pack Conversion Kit - Stage 2

ES#2713416 - 002598ECS23KT - 2.0T Coil Pack Conversion Kit - Stage 2 - Includes wrinkle red conversion plate -w- black 2.0T coils and red hold down kit - ECS - Audi Volkswagen

Includes wrinkle red conversion plate -w- black 2.0T coils and red hold down kit 10X Entries Into Our F80 M3 Sweepstakes

Fits ATW & AWM engine code models only

Brand:
ECS - Corporate Logo
ES#:
2713416
Mfg#:
002598ECS23KT
In Stock
ON SALE!
$366.99

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

$355.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.0T Coil Pack Conversion Kit - Stage 2

ES#2713401 - 002598ECS12KT - 2.0T Coil Pack Conversion Kit - Stage 2 - Includes anodized black conversion plate -w- red 2.0T coils and silver hold down kit - ECS - Audi Volkswagen

Includes anodized black conversion plate -w- red 2.0T coils and silver hold down kit 10X Entries Into Our F80 M3 Sweepstakes

Fits ATW & AWM engine code models only

Brand:
ECS - Corporate Logo
ES#:
2713401
Mfg#:
002598ECS12KT
In Stock
ON SALE!
$366.99

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

$355.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

2.0T Coil Pack Conversion Kit - Stage 2

ES#2713398 - 002598ECS10KT - 2.0T Coil Pack Conversion Kit - Stage 2 - Includes anodized black conversion plate -w- red 2.0T coils and black hold down kit - ECS - Audi Volkswagen

Includes anodized black conversion plate -w- red 2.0T coils and black hold down kit 10X Entries Into Our F80 M3 Sweepstakes

Fits ATW & AWM engine code models only

Brand:
ECS - Corporate Logo
ES#:
2713398
Mfg#:
002598ECS10KT
In Stock
ON SALE!
$366.99

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

$355.98 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.

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