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The Hypertech 154751 Hypertech Street Runner Power Chips from Hypertech is a direct ECU reprogramming solution that replaces your vehicle's factory calibration EPROM with an optimized performance tune
It replaces aged factory rubber couplers that crack and leak over time
This Billet Specialties is manufactured for dependable service in performance applications
As the heart of your valvetrain
Includes a stainless steel gasket and stainless mounting bolts for a leak-free seal
Hypertech ThermoMaster Computer Chips Tachometers The Hypertech 154751 Hypertech StreetThe Hypertech ThermoMaster Computer Chips (ref 0498) 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
