Fitment Grid was built to stop the guessing game of aftermarket car upgrades. We merge interactive fitment algorithms with track-certified aerospace materials.
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Parts Calibrated
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Compatibility Accuracy
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Track Test Hours
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Global Racing Teams
Fitment Grid began in a small garage in Detroit when our founders got tired of order errors, sloppy clearances, and parts that required custom machining just to sit flush. We realized that aftermarket parts should fit perfectly the first time.
We developed our proprietary CAD-match pipeline, interfacing directly with telemetry databases, so that buyers can select their exact engine block, suspension spec, and turbo configuration to verify fitment before shipping.
ENGINE_CODE: B58B30O1
BORE_STROKE: 82.0mm x 94.6mm
COMPRESSION_RATIO: 11.0:1
INTAKE_LAMINAR_TOLERANCE: +/- 0.05mm
Rigorous standards make Fitment Grid components outperform off-the-shelf catalog equivalents.
Our catalog uses a live matching engine referencing active block codes and tolerances down to 0.05mm. No factory limits, no guess work.
Every component carries a track certification. Built with high-response fluid engineering and premium thermal layers to withstand raw heat.
Integrated supply pipelines dispatch items instantly. Track compatibility maps in real-time, get it to your garage before race day.
Fitment Grid founded in Detroit by a group of telemetry developers and track engineers.
Launched mock sandbox database integration, validating engine fitment specs automatically.
Introduced in-house Apex Carbon induction lines and specialized racing forged alloy wheels.
Became the certified supplier for 200+ amateur and pro racing league teams across North America.
Elite builders, software developers, and certified telemetry specialists.
Chief Powertrain Architect
ECU Refinement & Induction Fluids
Head of Aero Dynamics
Carbon Laminate Mechanics
Lead Telemetry Software Engineer
Sandbox Simulators & API Integration