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Volkswagen MK4 Performance Engine & Drivetrain Parts

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ECS Ultimate "Stick Shift Upgrade" Kit

ES#3047950 - 001501ECS01KT1 - ECS Ultimate "Stick Shift Upgrade" Kit - Includes Adjustable Short Shifter and Solid Shifter Bushings for improved gear engagement and precision! - ECS - Volkswagen

Includes Adjustable Short Shifter and Solid Shifter Bushings for improved gear engagement and precision! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3047950
Mfg#:
001501ECS01KT1
Ships on Aug 10, 2026
Auto Notify
ON SALE!
$326.99

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

$310.64 USD
Free Shipping
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

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

Light Weight Alternator Pulley Black Anodized

ES#2917973 - 002236ECS03B01 - Light Weight Alternator Pulley Black Anodized - Bolt on lightweight billet aluminum pulley - ECS - Audi Volkswagen

Bolt on lightweight billet aluminum pulley 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#:
2917973
Mfg#:
002236ECS03B01
In Stock
ON SALE! SAVE 25%
$88.99

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

$66.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

228mm steel flywheel and OEM clutch kit

ES#2826553 - 10105200509K - 228mm steel flywheel and OEM clutch kit - Includes clutch disc, steel flywheel, pressure plate, release bearing and pressure plate hardware. - Autotech - Volkswagen

Includes clutch disc, steel flywheel, pressure plate, release bearing and pressure plate hardware. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Autotech - Corporate Logo
ES#:
2826553
Mfg#:
10105200509K
Ships in 2 Business Days
$599.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pedal Commander - Throttle Response Controller With Bluetooth

ES#3569754 - PC 08 - Pedal Commander - Throttle Response Controller With Bluetooth - Unleash the hidden power in your vehicle to get instant feedback & response! - Pedal Commander - Audi Volkswagen Porsche

Unleash the hidden power in your vehicle to get instant feedback & response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pedal Commander - Corporate Logo
ES#:
3569754
Mfg#:
PC 08
Ships in 5 Business Days
$299.99 USD
Free Shipping

P-Flo Air Intake Kit

ES#2826096 - 65.10.87 - P-Flo Air Intake Kit - Give your car Unrestricted air flow - Neuspeed - Audi Volkswagen

Give your car Unrestricted air flow affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
CARB certified for sale in all 50 states

Brand:
Neuspeed - Corporate Logo
ES#:
2826096
Mfg#:
65.10.87
EO#:
D-236-25
Ships in 1 Business Day
$198.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 2 Endurance Clutch Kit

ES#3098784 - 70038hdofeKT - Stage 2 Endurance Clutch Kit - Designed for track use while still streetable. Conservatively rated at 350 ft/lbs. - South Bend Clutch - Volkswagen

Designed for track use while still streetable. Conservatively rated at 350 ft/lbs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
South Bend Clutch - Corporate Logo
ES#:
3098784
Mfg#:
70038HDOFEKT
In Stock
$585.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Race Clutch Kit

ES#3438048 - VR1-HDG6 - Race Clutch Kit - Handles up to 440 lb-ft of torque - ACT - Audi Volkswagen

Handles up to 440 lb-ft of torque affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ACT - Corporate Logo
ES#:
3438048
Mfg#:
VR1-HDG6
In Stock at Vendor
$578.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Lightweight Aluminum Flywheel

ES#2830870 - FW017AL - Lightweight Aluminum Flywheel - Does not include securing hardware. 14 lbs - Clutch Masters - Audi Volkswagen

Does not include securing hardware. 14 lbs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Clutch Masters - Corporate Logo
ES#:
2830870
Mfg#:
FW017AL
Ships in 3 Business Days
15% off MSRP

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

$676.99

This product was last offered at the strikethrough price on
06-03-2026

$575.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mishimoto Liquid Chill Radiator Coolant Additive - 4oz

ES#2764643 - MMRALC - Mishimoto Liquid Chill Radiator Coolant Additive - 4oz - Pairs with all types of coolant to increase heat transfer and decrease engine temps. - Mishimoto - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Pairs with all types of coolant to increase heat transfer and decrease engine temps. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Mishimoto - Corporate Logo
ES#:
2764643
Mfg#:
MMRALC
Ships in 3 Business Days
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

XACT Streetlite Flywheel - 16lbs

ES#3437932 - 600820 - XACT Streetlite Flywheel - 16lbs - Noticeably improved engine response and acceleration - ACT - Audi Volkswagen

Noticeably improved engine response and acceleration affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ACT - Corporate Logo
ES#:
3437932
Mfg#:
600820
Ships in 2 Business Days
$572.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Light Weight Alternator Pulley Red Anodized

ES#2917972 - 002236ECS03B03 - Light Weight Alternator Pulley Red Anodized - Bolt on lightweight billet aluminum pulley - ECS - Audi Volkswagen

Bolt on lightweight billet aluminum pulley 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#:
2917972
Mfg#:
002236ECS03B03
In Stock
ON SALE! SAVE 40%
$93.99

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

$56.23 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Clutch Kit - Stage 1

ES#1844055 - 01M6SPDSTG1CK - Clutch Kit - Stage 1 - Revive the response & feel of your transmission - Clutch Masters - Audi Volkswagen

Revive the response & feel of your transmission affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Requires use of a Clutch Masters flywheel

Brand:
Clutch Masters - Corporate Logo
ES#:
1844055
Mfg#:
01M6SPDSTG1CK
Ships in 3 Business Days
$550.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Race Clutch Kit

ES#3438047 - VR1-HDG4 - Race Clutch Kit - Handles up to 440 lb-ft of torque - ACT - Audi Volkswagen

Handles up to 440 lb-ft of torque affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ACT - Corporate Logo
ES#:
3438047
Mfg#:
VR1-HDG4
Ships in 6 Business Days
$548.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4880731
Mfg#:
034-145-5001
In Stock
$91.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supertech Stainless Intake Valve Kit

ES#3647534 - ST-AIVN-1106SKT - Supertech Stainless Intake 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
*Oversized valves require extra machine work to the cylinder head.*

Brand:
Assembled By ECS - Corporate Logo
ES#:
3647534
Mfg#:
ST-AIVN-1106SKT
Back Ordered
$545.99 USD
Free Shipping
on orders $49 and up
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.

Let us help you find the parts that fit your Volkswagen

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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