
PHNOM PENH, CAMBODIA
SIAM
PROTOTYPE
Cambodia's specialist garage for the cars that need building. We build. We race. We tune.
WHAT WE DO
Four lines of work, done properly. We do not chase routine jobs, we build the cars that need building.
Custom Builds
Full strip-to-finish builds. Engine swaps, widebody conversions, custom fabrication, paint. From drift cars to supercars.
Body Kits
Widebody conversions, carbon aero kits, and air suspension. Professional fitment, bodywork, and paint, in-house.
4x4 Specialist
FOX shocks, ARB recovery, WARN winches, PIAA lighting. Suspension builds, lift kits, and off-road preparation.
Dyno & Tuning
In-house dyno room. ECU mapping, power runs, and precision tuning. Turbo, supercharged, or naturally aspirated.
FEATURED BUILDS
A sample of what rolls out of our workshop.

Drift Car Package
Complete Track-Ready Build

Honda S2000
Full Custom Build

Porsche 987 Cayman
Overland Build

Mercedes W126
Engine Build
BRANDS WE WORK WITH
GENUINE PARTS, PROFESSIONAL FITMENT
We stock and install parts from the brands serious build work depends on. Sister brand: RWB Cambodia.


And the brands behind everything that rolls out of the workshop:
READY TO BUILD?
Custom build, body kit install, 4x4 preparation, or dyno work. Tell us what you have in mind and we will take it from there.