As many know the M159 shares the same foundation as the M156, all of our upgraded internal parts are compatible.
Weistec M156/M159 Engine Internals
Here are a few candid shots, Enjoy!
CNCed intake ports, ceramic pistons, Weistec ARP heat studs.
Weistec Forged Rods, with ARP 2000 hardware.
CNC exhaust port, Dry sump installation.
SLS Valve Buckets, ready for cam install.
Going back in the car.