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1993 LT1 350 V8 Camaro Z28, 1993 Firebird Formula, 1993 Pontiac Trans Am AUTOMATIC TRANSMISSION ONLY

Hypertech ThermoMaster chips replace your OEM computer's stock PROM, which holds the settings that control your fuel flow and spark advance. These Hypertech chips feature more aggressive timing and fuel curves for more power, and they're dyno and track-tested to work with specific applications. So, if you want more performance with a small amount of work, then these Hypertech chips are for you.