ApplicationCompatible for Toyota Celica 2000-2006 GT GTS ZZT230 ZZT231Compatible for Toyota Celica 1.8 VVT-i ; 1.8 VVTL-i 190 or T-Sport 2000-2004SpecificationProduct included: Springs and shocks for front and rear included/ a pair wrench for height adjustmentSpring rate Front: 9kg/mmSpring rate Rear: 10.5kg/mmAdjustable height: Yes, lowering 1'' to 3''Shock type?Twin tubeSpring Preload: 7-10 mmColor: RedAdjustable Damper: Non-adjustable DamperAdjustable camber plate: YesWarranty: one year warranty for any manufacturing defectFeature- Adjustable ride height- Adjustable pre-load spring tension- Pillow ball top mount -- this design helps combat noise while tuning. It also improves the steering feel and response- Most components are made from 6061 aluminum with T6 for increased hardness -- the advantages include excellent strength, and aluminum helps keep the weight down.- Hi Tensile performance spring - Under 600,000 times continuously test, the spring distortion is less than 0.04%. Plus