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Volkswagen MK4 Performance Engine & Drivetrain Parts

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EFR 7670 Single Turbo Kit - FT-410

ES#3247337 - FT-410-EFR-MK4 - EFR 7670 Single Turbo Kit - FT-410 - Performance gains of up to 410 hp 420 ft-lbs @ 14psi - HPA Motorsports - Volkswagen

Performance gains of up to 410 hp 420 ft-lbs @ 14psi Built-to-order kit, expect 8-10 weeks for shipping. ECU must be shipped to HPA for software installation

Brand:
HPA Motorsports - Corporate Logo
ES#:
3247337
Mfg#:
FT-410-EFR-MK4
Ships on Oct 12, 2026
$13349.00 USD

silicone Turbo Inlet Hose - Black

ES#1876786 - TB1523BLK - silicone Turbo Inlet Hose - Black - For cars with 19mm or 25mm PCV - Samco - Volkswagen

For cars with 19mm or 25mm PCV

Brand:
Samco - Corporate Logo
ES#:
1876786
Mfg#:
TB1523BLK
Ships on Dec 17, 2026
$304.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

silicone Turbo Inlet Hose - Black

ES#5304 - TB1523BLK - silicone Turbo Inlet Hose - Black - For cars with 19mm PCV - Samco - Volkswagen

For cars with 19mm PCV

Brand:
Samco - Corporate Logo
ES#:
5304
Mfg#:
TB1523BLK
Special Order: No Guaranteed ETA
$289.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stainless/Inconel Valve Set

ES#4858495 - 034-201-8019 - Stainless/Inconel Valve Set - Great upgrade for either the 24v or R32 motor looking to get more flow and under boosted or heavy load applications. - 034Motorsport - Volkswagen

Great upgrade for either the 24v or R32 motor looking to get more flow and under boosted or heavy load applications. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4858495
Mfg#:
034-201-8019
Back Ordered
$1149.00 USD
Free Shipping

Valve Spring Set With Titanium Retainers

ES#4858481 - 034-201-8013 - Valve Spring Set With Titanium Retainers - Titanium retainers which allow for higher lift than stock retainers, at half the weight. - 034Motorsport - Volkswagen

Titanium retainers which allow for higher lift than stock retainers, at half the weight. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4858481
Mfg#:
034-201-8013
Back Ordered
$365.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

FP34 Fuel Pump Surge Tank

ES#4877045 - 034-106-A002/3 - FP34 Fuel Pump Surge Tank - Designed for Bosch 044 Fuel Pump - 034Motorsport - Audi Volkswagen

Designed for Bosch 044 Fuel Pump 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4877045
Mfg#:
034-106-A002/3
Back Ordered
$351.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oversized Valve Set 5-valve

ES#4858483 - 034-201-8014 - Oversized Valve Set 5-valve - High Flow Valve Set - 034Motorsport - Audi Volkswagen

High Flow Valve Set 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4858483
Mfg#:
034-201-8014
Back Ordered
$200.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Valve Spring Set With Titanium Retainers

ES#4858512 - 034-201-8021 - Valve Spring Set With Titanium Retainers - Includes spring seats and Titanium retainers which allow for higher lift than stock retainers, at half the weight - 034Motorsport - Volkswagen

Includes spring seats and Titanium retainers which allow for higher lift than stock retainers, at half the weight 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
4858512
Mfg#:
034-201-8021
Back Ordered
$1051.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

AEM Cold Air Intake System - Red

ES#3169875 - 21-493R - AEM Cold Air Intake System - Red - Increase horsepower and torque by replacing your vehicle's restrictive factory air filter and air intake housing - AEM - Volkswagen

Increase horsepower and torque by replacing your vehicle's restrictive factory air filter and air intake housing CARB certified for sale in all 50 states

Brand:
AEM - Corporate Logo
ES#:
3169875
Mfg#:
21-493R
EO#:
D-670
Back Ordered
$429.99 USD
Free Shipping

Pro Guard 7 Drop In Air Filter

ES#264127 - 73-10016 - Pro Guard 7 Drop In Air Filter - Oiled 7-layer gauze filter significantly improves airflow over stock paper media - AFE - Audi Volkswagen

Oiled 7-layer gauze filter significantly improves airflow over stock paper media

Brand:
AFE - Corporate Logo
ES#:
264127
Mfg#:
73-10016
Back Ordered
20% off MSRP

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

$102.99

This product was last offered at the strikethrough price on
05-27-2026

$82.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Mahle Performance Piston Set

ES#2794055 - H18TAUD287209I12 - Mahle Performance Piston Set - Includes rings, wire locks, and wrist pins - 81.5mm bore, 8.5:1 CR, 86.4mm stroke (stock) - Mahle - Audi Volkswagen

Includes rings, wire locks, and wrist pins - 81.5mm bore, 8.5:1 CR, 86.4mm stroke (stock) *For use with 20mm wrist pin connecting rods*

Brand:
Mahle - Corporate Logo
ES#:
2794055
Mfg#:
H18TAUD287209I12
Back Ordered
$955.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 5 Clutch Kit - Aluminum Flywheel (9lbs.)

ES#2568373 - sv875alu24vkt - Stage 5 Clutch Kit - Aluminum Flywheel (9lbs.) - Max Torque 684ft. lbs. - Spec Clutches - Volkswagen

Max Torque 684ft. lbs. Slave Cylinder Included

Brand:
Spec Clutches - Corporate Logo
ES#:
2568373
Mfg#:
SV875ALU24VKT
Back Ordered
$1378.99

This product was last offered at the strikethrough price on
06-23-2026

$1369.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 5 Clutch Kit - Steel Flywheel (20lbs.)

ES#2568289 - SV875STL18TKT - Stage 5 Clutch Kit - Steel Flywheel (20lbs.) - Max Torque 684ft. lbs. - Spec Clutches - Volkswagen

Max Torque 684ft. lbs.

Brand:
Spec Clutches - Corporate Logo
ES#:
2568289
Mfg#:
SV875STL18TKT
Back Ordered
$1305.99

This product was last offered at the strikethrough price on
06-23-2026

$1296.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 5 Clutch Kit - Aluminum Flywheel (9lbs.)

ES#2568291 - SV875ALU18TKT - Stage 5 Clutch Kit - Aluminum Flywheel (9lbs.) - Max Torque 684ft. lbs. - Spec Clutches - Volkswagen

Max Torque 684ft. lbs.

Brand:
Spec Clutches - Corporate Logo
ES#:
2568291
Mfg#:
SV875ALU18TKT
Back Ordered
$1437.99

This product was last offered at the strikethrough price on
08-13-2026

$1316.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supertech Performance Valvetrain Upgrade Kit

This high-performance engine kit combines an upgraded dual-spring valvetrain, Inconel and nitrided valves, a top-end gasket set, and premium tri-metal race main bearings. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
5481342
Mfg#:
SPRK-AUDI18VKT
Back Ordered
$1702.99 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

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Manufacturer names and/or part numbers are used only for identification purposes.

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