Engine
Pistons
The Weistec Engineering M113K Forged Pistons were designed and manufactured to address the weaknesses of the OEM M113K pistons.
Our 2618-T61 forged pistons f...
$2,599.00
Software
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
As a leader in tuning and calibration, Weistec Engineering is proud to offer tuning packages for M113K, stock Mercedes Kompressor powered vehicles.
We offer ...
$499.00
Stage 1
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