Supertech Opel/Vauxhall C20XE 16V Dual Valve Spring Kit
Supertech Subaru BRZ/Scion FRS/Toyota GT86 Beehive Valve Spring Kit
Supertech Honda K24Z7 Dual Valve Spring Kit
Supertech Honda NSX Dual Valve Spring Kit
Supertech Honda C30 Dual Valve Spring Kit
Supertech BMW S50B32 (Euro Version) Dual Valve Spring Kit
Supertech Nissan KA24 Dual Valve Spring Kit
Supertech Toyota 1FZ-FE 24V Dual Valve Spring Kit
Supertech Ford Falcon FXR6 Beehive Valve Spring Kit
Supertech Ford ECOBOOST 1.5L/1.6L Beehive Valve Spring Kit
Supertech Ford Ecoboost Conical Valve Spring Kit (Use w/OEM Retainer & Seat)
Supertech Honda F22A 16V Single Valve Spring Kit
Supertech Honda D16A1 Single Valve Spring Kit
Supertech Yamaha FZR-1800 Single Valve Spring Kit
Supertech Sea-Doo 4TEC Dual Valve Spring Kit
Supertech 02-07 Mini Cooper 1.6L Dual Valve Spring Kit
Supertech Toyota 3UR-FE 32V Dual Valve Spring Kit (Seat Pressure 62 at 37.80)
Supertech Toyota 2TR-FE Dual Valve Spring Kit
Supertech Toyota Tacoma 2RZ/3RZ Dual Valve Spring Kit
Supertech Toyota 1AR-FE 4 Cyl 2.7L Dual Valve Spring Kit
Supertech GM ECOTEC 2.0L Dual Valve Spring Kit (Requires Smaller Seal)