Performance kit composed of a careful selection of our best sellers, offering valuable performance gains at a 'bang for the buck' price point
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Increases the supercharger RPM throughout the full powerband, raising supercharger speed by 7%
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! *Fits very late model years equipped with 4-bolt style supercharger pulleys - 3.0 TFSI Stage 2 Software is required in order for this pulley to yield a p
Brand:
ES#:
3647603
Mfg#:
IEBAVJ5
Ships in 2 Business Days
ON SALE!
SAVE 10%
$216.99
This product was last offered at the strikethrough price on 06-25-2026
Install a brand new expansion tank with a new cap and hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! From production date 5/2/2011
Brand:
ES#:
2678370
Mfg#:
8K0121405NKT
In Stock
ON SALE!
$86.99
This product was last offered at the strikethrough price on 05-02-2026
Fuel pump located on top of the engine
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles with production date up to 07/06/2020
Brand:
ES#:
4782882
Mfg#:
06M127026Q
Back Ordered
$591.99
This product was last offered at the strikethrough price on 05-07-2026
23x3 - Seals the connection points for the vent tube between the oil separator and the supercharger. High temperature Viton® replacement o-ring.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
4727524
Mfg#:
WHT004793A
In Stock
ON SALE!
SAVE 12%
$5.09
This product was last offered at the strikethrough price on 05-02-2026
Stock sized valve head diameter, factory triple groove keeper setup - Includes Supertech valves and IE valve seals
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! *Existing factory triple-groove valve keepers are to be reused*
The Gen-V WG50 Pro-Gate50 external wastegate is a cost effective, high performing 50mm external wastegate.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms *General use wastegate for custom, externally gated big turbo applications - Not a direct fit wastegate*
Brand:
ES#:
4007256
Mfg#:
TS-0554-1012
In Stock at Vendor
10% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$635.99
This product was last offered at the strikethrough price on 06-27-2026
Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.
Lifetime Replacement
