Hypertech PowerStat Thermostat PowerStat(TM); Thermostat; 160 Degree CHEVROLET GMC JEEP CHEROKEE (XJ) S10 BLAZER S10 PICKUP S15 JIMMY S15 PICKUP WAGONEER BASE DURANGO EL GYPSY HIGH COUNTRY HIGH SIERRA SIERRA CLASSIC SPORT TAHOE TIMBERLINE 1984 1985 1986 1987 1988 1989 2.8L 2.8L LL1 HO 2.8L LR2 GAS Hypertech Hypertech Hypertech PowerStat Thermostat - 1001 1001 Thermostats