Unleash the true potential of your supercharger!
10X Entries For Our 25th Anniversary Sweepstakes! Specific aftermarket ECU tuning is required to manage the upgraded throttle body in addition to an ECS Tu
Brand:
ES#:
4382062
Mfg#:
007911LA05KT
In Stock
ON SALE!
SAVE 20%
$640.99
This product was last offered at the strikethrough price on 06-13-2026
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! 5X Entries For Our 25th Anniversary Sweepstakes! - APR Stage II software is required to run any upgraded Pulley configuration and is sold separately - Ple
Brand:
ES#:
3219163
Mfg#:
MS100135
Ships in 5 Business Days
ON SALE!
SAVE 10%
$222.99
This product was last offered at the strikethrough price on 07-31-2026
Install new hardware with your new parts. 55x3
2X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat! Seals the bypass valve to the supercharger
Brand:
ES#:
3524963
Mfg#:
N90521604
In Stock
$8.23
This product was last offered at the strikethrough price on 04-08-2026
The proven solution for reducing intake air temperature. Choose from ColdFront Heat Exchanger, ColdFront Reservoir, and ColdFront Coolant Pump, best in combination, but available separately.
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
