Supertech Dual Valve Spring Kit 200sx / GTiR SR20DET.

Price is for Complete set of Supertech Dual valve spring kit with Titanium retainers. Please select your choice from the drop down menu referencing the specs below: Specs for SPRK-H1005D-GTIR (GTiR SR20DET ONLY) Type: Dual Spring Press.Seat: 75 @38.50mm Max Lift: 10.60mm Coil Bind: 20.70mm Rate: 11.50 lbs/mm Retainer: RET-NSR20/T1 Spring : SPR-H1005D-GTIR Specs for SPRK-H1022D-SR20: Type: Dual Spring Press.Seat: 90 @40.50mm Max Lift: 16.00mm Coil Bind: 19.50mm Rate: 11.20 lbs/mm Retainer: RET-NSR20/T1 Spring : SPR-H1022D-SR20 Seat Locator : SEAT-SR20/6 OEM seat locator Seat Locator : SEAT-H/N240 OEM seat locator Specs for SPRK-H1021D-SR20: Type: Dual Spring Press.Seat: 106 @40.60mm Max Lift: 15.50mm Coil Bind: 25.00mm Rate: 13.20 lbs/mm Retainer: RET-NSR20/T1 Spring : SPR-H1021D-SR20 Seat Locator : SEAT-SR20/6 OEM seat locator Seat Locator : SEAT-H/N240 OEM seat locator