Hypertech 120512 Hypertech ThermoMaster Computer Chips Timing Belts Provisions for dual 6-inch cube

Provisions for dual 6-inch cube lights and a 30-inch light bar are pre-drilled

and sealed motor structures that resist moisture

The AIR FILTER provides clean combustion air with high flow capacity for the engine

The Hypertech ThermoMaster Computer Chips (ref 9170) is a classic ECM performance upgrade from Hypertech that replaces your vehicle's stock calibration EPROM with a professionally tuned chip

Hypertech 120512 Hypertech ThermoMaster Computer Chips Timing Belts Provisions for dual 6-inch cubeThe Hypertech 120512 Hypertech ThermoMaster Computer Chips 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,