COMPUTER CHIP THERMO MASTER Coil Springs fuel pressure regulator

fuel pressure regulator

a direct-fit upgrade for classic GM

and internal components for reliable service

Ideal for Chevy

raised rev limiters where safe

COMPUTER CHIP THERMO MASTER Coil Springs fuel pressure regulatorThe COMPUTER CHIP THERMO MASTER (ref 6754) is a classic ECM performance upgrade from Hypertech that replaces your vehicle's stock calibration EPROM with a professionally tuned chip. For a wide range of GM, Ford, and Chrysler vehicles with OBD I and early OBD II ECUs, 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.