Hypertech 121582 ThermoMaster Power Chip for 1991 Astro/Safari 4.3 TBI (Ca)
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Hypertech 121582 ThermoMaster Power Chip for 1991 Astro/Safari 4.3 TBI (Ca)

Product ID: 59571073
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Description

  • Must run premium fuel
  • Plug in and go, no wiring or soldering required
  • 50-state street legal
  • Use with 160 degree or 180 degree thermostat

Hypertech Power Chips are direct replacements for the stock chips in 1981-1995 GM vehicles. The Power Chip contains the Hypertech Power Tuning data that controls the engine's air/fuel ratio and spark advance for maximum power and performance, plus potential gas mileage improvements. Power Chips can be easily installed, using only hand tools. ThermoMaster power chips are designed for daily street driving or competition in unmodified vehicles using a 160 degree or 180 degree thermostat.

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Good experience, but the tracking updates could be better.

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R4902

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TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

Hypertech 121582 Thermomaster Power Chip For 1991 Astro Safari 4 | Desertcart South Africa