About Us
Performance where it matters most
Meet Ben Cook
Owner & Lead Mechanic
About Metric Iron
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About Metric Iron
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Located in Big Rock, IL. We specialize in race car construction and high-end street vehicle fabrication & builds.
From competition ready safety systems to fully engineered performance solutions, we deliver work that meets the demands of the track and the expectations of serious drivers.
We operate with a race-first mindset. Every weld, bracket, and component is built with purpose. Our experience supporting drivers in active competition ensures that what we build isn’t just visually impressive – it performs where it matters.
Our Services
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» Custom Fabrication « Roll Cage Builds Rock Bumpers Chassis Reinforcement
» Track Preparation & Track Services « (Specializing in BMW) Track specific alignments & setups Track side support Data System installation & analysis
- Street Car Performance Enhancement
- Mechanical Services
- Electronics & Wiring
» Affiliations «
Sabelt
Hoosier Tire
SCCA
Turner Motorsports
Laurel BMW
Lemons
SRO Racing Series
Custom Fabrication
- Roll Cage Builds
- Rock Bumpers
- Chassis Reinforcement
- Custom Piping
- Tig & Mig Welding
- 3D Scanning capabilities with CAD Integration
- Turbo Manifolds/Headers
- 3D Printed prototype parts
Race Prep & On Site Support
- Track specific alignments & setups
- Corner balancing
- Track side support
- Data System installation
- Data Analysis
- On-track Radio & Video Systems
- Facilitate annual safety inspections
- Confirm equipment
- Setup inspection appointments







