Hypertech ThermoMaster Computer Chips Parts Sold as a pair with

Sold as a pair with all mounting hardware and bushings

The linear

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you're looking at extended service intervals and genuine long-haul durability for your high-output powertrain

Hypertech ThermoMaster Computer Chips Parts Sold as a pair withThe Hypertech ThermoMaster Computer Chips (ref 4434) is a classic ECM performance upgrade from Hypertech that replaces your vehicle's stock calibration EPROM with a professionally tuned chip. For selected GM, Ford, and Dodge vehicles from the 1990s and early 2000s, the ThermoMaster optimizes air fuel ratios, ignition timing, and rev limiters for real world power gains. It's the original plug in performance chip no wires, no modules, no guesswork.