Prime Speed Tuning LLC

Based in Upton, Massachusetts, this auto service facility blends factory-grade maintenance with performance-oriented capabilities across a broad spectrum of vehicles—from everyday commuters to European and exotic models. The team is dedicated to precision workmanship, transparent communication, and dependable results, using modern diagnostics and years of hands-on experience to keep every vehicle safe, reliable, and road-ready. Core maintenance adheres to OEM-recommended service intervals to protect warranties, extend longevity, and preserve value. Work spans preventive care, routine repairs, and careful component diagnostics, all performed under one roof to simplify ownership and ensure consistent quality.

Key offerings include:

• Oil changes and preventive maintenance
• Timing kit replacements and transmission fluid changes
• Spark plug replacements and coil pack installations
• Gasket repairs and general diagnostic troubleshooting (ECU-level when needed)

For enthusiasts and owners of European and exotic cars, the shop delivers tailored performance upgrades and meticulous tuning options. Expect improved suspension, braking, and engine calibration with dyno-tuned mapping and map customization to maximize driveability. The facility partners with respected brands including Cobb Tuning, APR, Dinan, DSC Sport, KW Suspension, and AWE Tuning to source components and calibration data.

Beyond maintenance and upgrades, this facility functions as a full-service parts hub with a broad catalog and professional installation services. When needed, transportation options streamline visits, making it a practical, single-source solution for routine care and high-performance builds in the Upton area.