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reduced misfire under load
Order the Accel 4040K SuperStock 4000 Series and feel the difference in every gear
Fabricated from 2x3-inch 0
fuel pressure regulator
a direct-fit upgrade for classic GM
COMPUTER CHIP THERMO MASTER Coil Springs reduced misfire under loadThe 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.
