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Audi B5 A4 Quattro 1.8T

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Audi B5 A4 Quattro 1.8T Performance Engine Parts

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ARP Cylinder Head Stud Kit

ES#1893131 - 204-4101 - ARP Cylinder Head Stud Kit - High Strength ARP head studs - ARP - Audi Volkswagen

High Strength ARP head studs 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ARP - Corporate Logo
ES#:
1893131
Mfg#:
204-4101
In Stock at Vendor
$251.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Supertech Stainless Intake Valve - Priced Each

ES#3624375 - ST-AIVN-1103 - Supertech Stainless Intake Valve - 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 *Valves priced individually - For 1.8T - qty 12 needed / For 2.7T - qty 18 needed - Please see long description for additional valve seal/keeper informa

Brand:
Supertech - Corporate Logo
ES#:
3624375
Mfg#:
ST-AIVN-1103
In Stock
$28.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Mahle Motorsport Race Main Bearings - Set

ES#2918544 - MAH-VM1028 - Mahle Motorsport Race Main Bearings - Set - Mahle Motorsport/Vandervell Race Main Bearing Set for VW/Audi 4 Cylinder - Mahle - Audi Volkswagen

Mahle Motorsport/Vandervell Race Main Bearing Set for VW/Audi 4 Cylinder

Brand:
Mahle - Corporate Logo
ES#:
2918544
Mfg#:
MAH-VM1028
In Stock
$218.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Forged Piston And Connecting Rod Kit

ES#5444939 - CMBMVL027JG042 - Forged Piston And Connecting Rod Kit - For VW/Audi 1.8L 20V 81.5mm - SPA Performance - Audi Volkswagen

For VW/Audi 1.8L 20V 81.5mm

Brand:
SPA Performance - Corporate Logo
ES#:
5444939
Mfg#:
CMBMVL027JG042
Ships in 4 Business Days
$949.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AEM Water/Methanol Injection System

ES#4500516 - 30-3326 - AEM Water/Methanol Injection System - High-Flow Low-Current WMI Solenoid - 200PSI 1/8in-27NPT In/Out - AEM Electronics - Audi BMW Volkswagen MINI Porsche

High-Flow Low-Current WMI Solenoid - 200PSI 1/8in-27NPT In/Out

Brand:
AEM Electronics - Corporate Logo
ES#:
4500516
Mfg#:
30-3326
In Stock at Vendor
11% off MSRP

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

$149.99

This product was last offered at the strikethrough price on
08-20-2026

$132.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Forged Piston And Connecting Rod Kit

ES#5445183 - CMBMVL038JG046 - Forged Piston And Connecting Rod Kit - For VW/Audi 1.8L 20V 82mm - SPA Performance - Audi Volkswagen

For VW/Audi 1.8L 20V 82mm

Brand:
SPA Performance - Corporate Logo
ES#:
5445183
Mfg#:
CMBMVL038JG046
Ships in 2 Business Days
$899.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Performance Stainless 2.5" Downpipe

ES#3175307 - 251229 - Performance Stainless 2.5" Downpipe - High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust - Techtonics Tuning - Audi

High flow, stainless downpipe kit to be used with 2.5" aftermarket exhaust Fits quattro manual transmission models only - To be used with 2.5" aftermarket exhaust system

Brand:
Techtonics Tuning - Corporate Logo
ES#:
3175307
Mfg#:
251229
Ships in 8 Business Days
$275.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Maestro Tuning Suite - With Powertap Air Flash Tool

ES#3236094 - ed-mt-1.8taebKT - Maestro Tuning Suite - With Powertap Air Flash Tool - Ideal for shops and enthusiasts looking to recalibrate their vehicles for modified hardware - Eurodyne - Audi

Ideal for shops and enthusiasts looking to recalibrate their vehicles for modified hardware Compatible on models with AEB engine code only

Brand:
Eurodyne - Corporate Logo
ES#:
3236094
Mfg#:
ED-MT-1.8TAEBKT
Ships in 4 Business Days
$799.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Universal Catch Can Drain System

ES#3698456 - 003779ECS11 - ECS Tuning Universal Catch Can Drain System - Make draining your ECS or Turner Catch Can simple with this comprehensive kit - ECS - Audi Volkswagen MINI

Make draining your ECS or Turner Catch Can simple with this comprehensive kit 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3698456
Mfg#:
003779ECS11
In Stock
ON SALE! SAVE 25%
$71.99

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

$53.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Supertech Stainless Intake Valve Kit

ES#3647524 - ST-AIVN-1103KT - Supertech Stainless Intake 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 10X Entries For Our 25th Anniversary Sweepstakes!
*Existing factory triple-groove valve keepers are to be reused*

Brand:
Assembled By ECS - Corporate Logo
ES#:
3647524
Mfg#:
ST-AIVN-1103KT
Ships in 7 Business Days
$373.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Titanium Exhaust Wrap - 2" x 50

ES#3022269 - HEA-WRAPKIT-50 - Titanium Exhaust Wrap - 2" x 50 - Designed to handle continuous temperatures up to 1,800F - Prosport Performance - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Designed to handle continuous temperatures up to 1,800°F

Brand:
Prosport Performance - Corporate Logo
ES#:
3022269
Mfg#:
HEA-WRAPKIT-50
Ships on Sep 11, 2026
$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Billet Fuel Rail Upgrade Kit

ES#3432394 - 034-106-7028 - 034Motorsport Billet Fuel Rail Upgrade Kit - Includes billet fuel rail, billet FPR adapter, hardware, and hoses for a simple drop-in installation - 034Motorsport - Audi Volkswagen

Includes billet fuel rail, billet FPR adapter, hardware, and hoses for a simple drop-in installation

Brand:
034Motorsport - Corporate Logo
ES#:
3432394
Mfg#:
034-106-7028
Ships in 3 Business Days
ON SALE! SAVE 10%
$318.00

This product was last offered at the strikethrough price on
08-17-2026

$286.20 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Fuel Rail - black Finish

ES#2794185 - IEFUVA1BK - Billet Fuel Rail - black Finish - Performance 1 piece fuel rail with style - Integrated Engineering - Audi Volkswagen

Performance 1 piece fuel rail with style 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794185
Mfg#:
IEFUVA1BK
Ships in 5 Business Days
$175.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine Parts

Our name says it all. That's why ECS Tuning is dedicated to providing our customers with the broadest possible assortment of engine tuning options at a range of prices and options to fit any budget. Start small and grow your car into something special with performance engine upgrades from a company that has tuning in its name and its blood.

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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