Hypertech PowerStat Thermostat Features: Realize Full Potential Of Hypertech Power Tuning Replaces Factory Thermostat No Modifications Required Induces Less Heat Into The Intake Reduces Engines Tendency To Detonate Height: 2.50 Width: 3.25 Length: 4.50 Weight: 0.17 lbs Fitment: 1994/Oldsmobile/98/Regency Sedan 4-Door/3.8L 3800CC 231Cu. In. V6 GAS OHV Naturally Aspirated^^1994/Oldsmobile/98/Regency Elite Sedan 4-Door/3.8L 3800CC 231Cu. In. V6 GAS OHV Supercharged^^1994/Oldsmobile/98/Regency Elite Sedan 4-Door/3.8L 3800CC 231Cu. In. V6 GAS OHV Naturally Aspirated^^1994/Oldsmobile/88/Royale Sedan 4-Door/3.8L 3800CC 231Cu. In. V6 GAS OHV Naturally Aspirated^^1994/Oldsmobile/88/Royale LS Sedan 4-Door/3.8L 3800CC 231Cu. In. V6 GAS OHV Naturally Aspirated^^1993/Oldsmobile/98/Touring Sedan 4-Door/3.8L 3800CC 231Cu. In. V6 GAS OHV Supercharged...