Audi B6 A4 FWD 1.8T Performance Engine Parts

Entry-level performance kit composed of a careful selection of our best sellers, offering valuable performance gains at a 'bang for the buck' price point 10X Entries Into Our F80 M3 Sweepstakes
Fits up to VIN 8E-3-500000, split is in the 2003 model year

Brand:

ES#:

4017066

Mfg#:

B618TPPLVL1KT1

$398.99

This product was last offered at the strikethrough price on
07-17-2026

$374.99 USD

Add to Cart

Free Shipping

Lifetime Replacement

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:

ES#:

5481342

Mfg#:

SPRK-AUDI18VKT

$1702.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

A significant upgrade to performance and feel over the stock mount. Early B6 A4 w/ 5-Speed Manual Transmissions only.

Brand:

ES#:

4830808

Mfg#:

CTS-TM-AUDI4-50D

$84.99 USD

Add to Cart

Free Shipping

Lifetime Replacement

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:

ES#:

2794055

Mfg#:

H18TAUD287209I12

$955.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button

Brand:

ES#:

5457434

Mfg#:

UVM76MMTSTYLEX1

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button

Brand:

ES#:

5457432

Mfg#:

UVM76MMDUALOUTX1

Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button

Brand:

ES#:

5457437

Mfg#:

UVM.89MM.X1

Upgrade your longitudinal 1.8T with this complete K04 turbocharger and Ajusa sealing hardware bundle.

Brand:

ES#:

5516702

Mfg#:

058145703KO42KT

$1868.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

EFR delivers quick boost response, powerful performance and reliable durability - 0.80 A/R, T4 Twin Flow Flange, 49mm Compressor Inducer Dia, 62mm Compressor Wheel O.D., 58mm Turbine Wheel O.D. *To be used with custom turbocharger applications only - T4 flange manifold, custom fueling, tuning/software, and internals necessary*

Brand:

ES#:

4143465

Mfg#:

11589880036

22% off MSRP

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

$3723.99

This product was last offered at the strikethrough price on
10-24-2026

$2898.99 USD

Add to Cart

Lifetime Replacement