Part #121582 - Engine Tuning Chip - Power Chips| Hypertech – Hypertech, Inc.

121582: Thermo Master For 1991 Astro/Safari 4.3 TBI Automatic Transmission (California Emissions)

121582: Thermo Master For 1991 Astro/Safari 4.3 TBI Automatic Transmission (California Emissions)

Emissions Certifications: Not for sale or use in California

Part #121582: Thermo Master For 1991 Astro/Safari 4.3 TBI Automatic Transmission (California Emissions)

    • Automatic
    • Cooling Fans 160 degrees (if equipped with electirc cooling fans)

WARNING: Cancer and reproductive harm. Visit www.p65warnings.ca.gov

PID: 6572388679875