Kelford Valve Springs and Retainers for Subaru EJ WRX/STi (KVS1847-BT) Wilwood Garrett® GT Series is the

Garrett® GT Series is the name that pioneered turbo technology and boosted drag racing and road racing teams to break hundreds of world records

For synchronized or none synchronized gearboxes

differential

installing high lift camshafts in these engines may create unnecessary belt vibration leading to the pulley spinning off the rotating assembly

Kelford Valve Springs and Retainers for Subaru EJ WRX/STi (KVS1847-BT) Wilwood Garrett® GT Series is theKelford beehive valve spring and titanium retainer kit for the EJ Subaru WRX and STi. This kit is required for use with some of the Kelford cam sets. Includes 16 springs and 16 retainers. Springs feature Nano peen and gold nitride surface finishing treatments for superior endurance. High frequency, increased seat pressure, low open pressure. Vehicle Fitment: EJ20 EJ25 2002 2014 Subaru WRX 2004 2021 Subaru STi Specs: Ovate wire, PACALOY Beehive Springs