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Part 66626 is configured for its specific application with attention to fitment requirements
protecting your ring-and-pinion and limited-slip clutches from premature wear
Level your truck the simple way
Worn ball joints cause clunking noises
Hypertech ThermoMaster Computer Chips B&M Flexplates Part 66626 is configured forThe Hypertech ThermoMaster Computer Chips (ref 1474) 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.
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