Supertech Honda D16A6 Single Valve Spring Kit (Exhaust Only)
Supertech Honda D16Z6 Single Valve Spring Kit
Supertech Honda D16Z/D16Y8/D17 Single Valve Spring Kit
Supertech Nissan KA24 Dual Valve Spring Kit
Supertech Honda NSX Dual Valve Spring Kit
Supertech Honda C30 Dual Valve Spring Kit
Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit
Supertech BMW M54 16 Dual Valve Spring Kit
Supertech Toyota 1FZ-FE 24V Dual Valve Spring Kit
Supertech Ford Falcon FXR6 Beehive Valve Spring Kit
Supertech Ford Ecoboost Conical Valve Spring Kit (Use w/OEM Retainer & Seat)
Supertech Ford/Mazda DURATEC 2.0L/2.3L Beehive Valve Spring Kit (Use OEM Retainer/OEM Seat)
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 1AR-FE 4 Cyl 2.7L Dual Valve Spring Kit
Supertech Toyota 3UR-FE 32V Dual Valve Spring Kit
Supertech Toyota Tacoma 2TRFE Dual Valve Spring Kit
Supertech Toyota 2GR-FE 24V Dual Valve Spring Kit
Supertech VW/Audi 2.7T 30V 6cyl Single & Dual Valve Spring Kit
Supertech VW/Audi 1.8T 20V 4cyl Dual Valve Spring Kit
