Engine
Intake
Our 82 mm throttle body and carbon fiber airbox upgrade is the perfect combination to maximize your 55's performance.
This combination allows for a great...
$4,640.00
Mechanical
Weistec has exclusively partnered with ARP, the top name in performance engine hardware. Head studs are used to fasten the heads to the block in place of the fa...
$799.00
The factory rod bolts are the weakest part of the factory rods in the M113K engine. Weistec's ARP M113K Rod Bolts are much stronger than the factory bolts a...
$659.00
Performance
RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!
Our proprietar...
$1,195.00
The R1 performance package for the Mercedes 55 series engine includes our proprietary ECU upgrade in addition to our full carbon fiber airbox upgrade which offe...
$2,680.00