Tein H-Tech Springs offer a perfect combination of lowering, handling, and comfort. H-Tech springs are not as aggressive as other brands and models but still offer you a lowered ride with better handling, with an emphasis on ride comfort.They offer a 1.4\" drop in the front and a 0.7\" drop in the rear for a slightly more aggressive appearance while keeping you well above the ground. Their spring rate is:Front: 5.8 kg/mm / 324 lbs/inRear: 4.7 kg/mm / 263 lbs/inComes with a 1 year limited manufacturer warranty. Spring length is guaranteed not to sag more than 5mm and to be clear of any manufacture defects. ? One year limited manufacturer warranty. ? High-grade material adapted to improve guaranteed satisfaction. ? Rubber spring protector sheet to prevent noise (most applications).