Optimized pulley size for maximum performance.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Buy Unitronic Software 6/22/26 - 7/10/26 for a chance to win your Software & UniCONNECT+ Cable for FREE!
Seals the connection between the gas cap and filler neck
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat!
Get up to +76 hp and +82 lb-ft through a safe and easy to use tuning module from RaceChip
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For vehicles up through the 2015 model year only.
Brand:
ES#:
4339364
Mfg#:
917375
Ships in 3 Business Days
ON SALE!
SAVE 10%
$699.00
This product was last offered at the strikethrough price on 07-01-2026
Located on the front of the engine block. Includes gasket and hardware for a leak free fix!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4056900
Mfg#:
06E121161BBKT
Ships in 1 day
$173.99
This product was last offered at the strikethrough price on 05-12-2026
Unleash up to 575HP/495TQ by transforming your Audi 3.0T CREC with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features!
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Features precision machined half-shells designed to perfectly clamp the supercharger pulley for easy removal
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4005448
Mfg#:
034-145-Z037
Ships in 2 Business Days
ON SALE!
SAVE 10%
$248.00
This product was last offered at the strikethrough price on 06-28-2026
Decreases the diameter of the factory pulley from ~63.25mm to ~57.75mm, which in turn spins the supercharger ~9.5% faster.
Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes! *For models with factory bolt-on pulley (3.0T Gen 2 Simos 16.x) - APR Stage II software is required to ru
Brand:
ES#:
3514678
Mfg#:
MS100139
In Stock
11% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$250.99
This product was last offered at the strikethrough price on 07-01-2026
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
