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Volkswagen MK4 Performance Parts & Upgrades

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ES#3647521 - ST-AEVI-1103KT - Supertech Inconel Exhaust Valve Kit - Stock sized valve head diameter, factory triple groove keeper setup - Includes Supertech valves and IE valve seals - Assembled By ECS - Audi Volkswagen

Stock sized valve head diameter, factory triple groove keeper setup - Includes Supertech valves and IE valve seals affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
*Existing factory triple-groove valve keepers are to be reused*

Brand:
Assembled By ECS - Corporate Logo
ES#:
3647521
Mfg#:
ST-AEVI-1103KT
Ships in 6 Business Days
$382.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4349811 - 008113LA02 - VW MK4 Pre-Assembled Front Control Arms - With ECS Monoball Bushings - Eliminate deflection caused by the stock rubber bushings for improved cornering ability, accel and decel response - ECS - Volkswagen

Eliminate deflection caused by the stock rubber bushings for improved cornering ability, accel and decel response affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4349811
Mfg#:
008113LA02
In Stock
ON SALE! SAVE 10%
$592.99

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

$533.69 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2770974 - 3599ECS01 - Silicone PCV hose upgrade kit - Replace your failure-prone PCV hoses with an end-all cure, silicone PCV hose kit! - ECS - Audi Volkswagen

Replace your failure-prone PCV hoses with an end-all cure, silicone PCV hose kit! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For vehicles with AWW or AWP engine code only

Brand:
ECS - Corporate Logo
ES#:
2770974
Mfg#:
3599ECS01
In Stock
ON SALE! SAVE 30%
$190.54

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

$133.38 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
*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#2748258 - 30255571ECSWB1KT - ECS Wheel Spacer & Bolt Kit - 15mm With Black Conical Seat Bolts - Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels - ECS - Audi Volkswagen

Complete kit for two wheels, comes with everything you need to install spacers on your aftermarket wheels affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits most aftermarket wheels that use conical seat wheel bolts

Brand:
ECS - Corporate Logo
ES#:
2748258
Mfg#:
30255571ECSWB1KT
In Stock
ON SALE! SAVE 25%
$167.99

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

$125.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2784490 - 551221 - Harmonic Damper Crankshaft Pulley - Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability - Fluidampr - Audi Volkswagen Porsche

Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fluidampr - Corporate Logo
ES#:
2784490
Mfg#:
551221
In Stock at Vendor
$517.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3521688 - S-03-BR - BR Series Coilover Suspension Kit - Featuring 30 levels of adjustment and performance spring rates and valving - BC Racing - Audi Volkswagen

Featuring 30 levels of adjustment and performance spring rates and valving affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
BC Racing - Corporate Logo
ES#:
3521688
Mfg#:
S-03-BR
Ships in 5 Business Days
$1195.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3090386 - 1J0412331CKT1 -  ECS Heavy Duty Rubber Strut Mount Kit - Upgrade to a better strut mount without sacrificing comfort! Improve longevity and ride control all at once. Includes ECS strut mounts, bearings and hardware. - Assembled By ECS - Audi Volkswagen

Upgrade to a better strut mount without sacrificing comfort! Improve longevity and ride control all at once. Includes ECS strut mounts, bearings and hardware. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3090386
Mfg#:
1J0412331CKT1
In Stock
ON SALE! SAVE 23%
$112.26

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

$86.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3410468 - CTS-DB-MK4-60D - CTS Street Sport Dogbone Mount - 60 Durometer rubber construction - CTS - Audi Volkswagen

60 Durometer rubber construction affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
3410468
Mfg#:
CTS-DB-MK4-60D
Ships in 1 Business Day
$39.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2795753 - 003901ECS45BB -  Ball Seat Locking Wheel Bolt Kit - Black zinc coated wheel lock bolts made specifically for OE wheels. M14x1.5x45mm - ECS - Audi Volkswagen

Black zinc coated wheel lock bolts made specifically for OE wheels. M14x1.5x45mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For use with 15-17.5mm spacers

Brand:
ECS - Corporate Logo
ES#:
2795753
Mfg#:
003901ECS45BB
In Stock
ON SALE! SAVE 25%
$82.99

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

$62.24 USD
Free Shipping
on orders $49 and up
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
5271
Mfg#:
001564ECS01
In Stock
ON SALE! SAVE 15%
$229.99

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

$195.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4474118 - 014030LA01-01 - MK4 Jetta (1999.5 - 2003) Trunk Spoiler - Gloss Black - Add OE+ styling with our In-House Engineered Gloss Black Rear Trunk Spoiler! - ECS - Volkswagen

Add OE+ styling with our In-House Engineered Gloss Black Rear Trunk Spoiler! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Fits vehicles up to the 2003 model year only

Brand:
ECS - Corporate Logo
ES#:
4474118
Mfg#:
014030LA01-01
In Stock
ON SALE! SAVE 23%
$157.99

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

$120.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4361429 - IECVA2-2  - IE Street/Race Intake Camshaft - IE Street/Race Intake Camshaft for 400+ Horsepower Builds! - Integrated Engineering - Audi Volkswagen

IE Street/Race Intake Camshaft for 400+ Horsepower Builds! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4361429
Mfg#:
IECVA2-2
In Stock
$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4390760 - 68510061 - Adjustable Rear Control Arm Set  - Add convenience to your vehicle's suspension with adjustable rear control arms - KW Suspension - Audi Volkswagen

Add convenience to your vehicle's suspension with adjustable rear control arms affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
KW Suspension - Corporate Logo
ES#:
4390760
Mfg#:
68510061
Ships in 5 Business Days
$493.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2828906 - 004040ECS01KT1 - Performance Front Control Arm Kit - Level 3 - Featuring polyurethane bushings for increased feeling and response, includes hardware and ball joints. - Assembled By ECS - Audi Volkswagen

Featuring polyurethane bushings for increased feeling and response, includes hardware and ball joints. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2828906
Mfg#:
004040ECS01KT1
In Stock
ON SALE!
$594.99

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

$570.64 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2158122 - 36525-1 - Street Performance SS Coilover Kit - Adjustable Damping - Fine tune your appearance and handling with H&R's Street Performance SS Coil Overs - H&R - Volkswagen

Fine tune your appearance and handling with H&R's Street Performance SS Coil Overs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Height adjustable 1.25" to 2.5" (front) and 1.25" to 2.25" (rear). Not for wagon models.

Brand:
H&R - Corporate Logo
ES#:
2158122
Mfg#:
36525-1
Ships in 3 Business Days
$1697.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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