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Build Your Monster - VW MK4 Jetta GLI

Why settle for stock? Why settle with ordinary?

Build your VW into a monster that's extraordinary.

Designed to transform your people carrier into a power hungry, road hugging, monster of performance; this ECS special blend of drivetrain and engine upgrades is exactly what your monster is craving.

Build it faster, build it stronger, build it with ECS.

Pick one as a weekend project. Call a pal and build your monster.


It's Alive!

Fits:
VW MK4 Jetta GLI 1.8T (2004 - 2005)

2.0T Coil Pack Conversion Kit - Stage 2
Includes anodized black conversion plate -w- red 2.0T coils and red hold down kit
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#: 2713436
Mfg#: 002598ECS11AKT

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
On SALE
$279.99

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

$271.59 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
2.0T Coil Pack Conversion Kit - Stage 2
Includes wrinkle black conversion plate -w- black 2.0T coils and black hold down kit
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#: 2713427
Mfg#: 002598ECS06AKT

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
Ships on Jul 14, 2026
Auto Notify
On SALE
$269.99

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

$261.89 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ECS Lightweight Crank Pulley - Black - (NO LONGER AVAILABLE)
Release hidden power from your drive belt system
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 2952057
Mfg#: 003533ECS01
No longer available
Lightweight Underdrive Pulley Set - Black Anodized
Includes a new alternator, power steering and crank pulley that allows you to use a stock belt.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Vehicles with clutched alternator pulley require hardware kit - ES271279 for installation
Brand: ECS - Corporate Logo
ES#: 420
Mfg#: MK44CPK

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
On SALE Save 15%
$298.99

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

$254.14 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Lightweight Underdrive Pulley Set - Red Anodized
Includes a new alternator, power steering and crank pulley that allows you to use a stock belt.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Vehicles with clutched alternator pulley require hardware kit - ES271279 for installation
Brand: ECS - Corporate Logo
ES#: 3985
Mfg#: MK44CPK-RED

Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.

Availability:
In Stock
On SALE
$305.99

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

$290.69 USD
Free Shipping Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
Strut Tower Brace - Black - (NO LONGER AVAILABLE)
Reduce chassis flexing, comes complete with stainless steel hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 5435
Mfg#: ECSMK4SBK-BLK-A
No longer available
Strut Tower Brace - Blue - (NO LONGER AVAILABLE)
Reduce chassis flexing, comes complete with stainless steel hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 5438
Mfg#: ECSMK4SBK-BLUE-A
No longer available
This product has been superseded to ES#5339542
Strut Tower Brace - Polished Aluminum - (NO LONGER AVAILABLE)
Reduce chassis flexing, comes complete with stainless steel hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 5439
Mfg#: ECSMK4SBK-PLS-A
No longer available
This product has been superseded to ES#5339542
Strut Tower Brace - Red - (NO LONGER AVAILABLE)
Reduce chassis flexing, comes complete with stainless steel hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand: ECS - Corporate Logo
ES#: 5437
Mfg#: ECSMK4SBK-RED-A
No longer available

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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