Stewart Black Performance LC

Des Moines, Polk County

Access

Included with Business Intelligence

Access

Capabilities

Offering
Engine tuning[2]
Offering
Diagnostics[2]
Offering
Performance upgrades[2]
Offering
Custom calibrations[2]
Offering
ECU flashing[2]
Offering
Data acquisition[2]
Offering
Engine diagnostics[2]

Claim this page

Own this business? Claim it to keep the details accurate.

Claim this page

About

Stewart Black Performance LC specializes in engine performance upgrades and diagnostics for classic and modern vehicles. They work with both car enthusiasts and professional mechanics, offering custom tuning solutions and diagnostics. Appointments are required for engine work.[2]

Machine-readable record

Machine-readable record

Sources

  1. Every Iowan record as of 2026-07-11
  2. Every Iowan record as of 2026-07-11