Ferrea PAC Alloy Dual Valve Springs for Toyota Supra 2JZ 2JZGE 2JZGTE ARP PC Software ‘Build’- Used to

PC Software ‘Build’- Used to create a custom software package with user specific functions

This kit is capable of 9000+ RPMS

or handling

TEIN has developed optimally-shaped dust boot made of most suitable material

causing it to crack and change durometer

Ferrea PAC Alloy Dual Valve Springs for Toyota Supra 2JZ 2JZGE 2JZGTE ARP PC Software ‘Build’- Used toFerrea PAC Alloy Dual Valve Springs for Toyota Supra 2JZ 2JZGE 2JZGTE Our take Ferrea's valve springs set the standard for aftermarket performance on the 2JZ cylinder head. The PAC Alloy dual valve spring kit is recommended for any 2JZ utilizing aftermarket camshafts and is our valve spring of choice for any high horsepower, high boost, high rev application. This kit REQUIRES use of Ferrea Titanium Retainer #E11037 and BOTH Ferrea Spring Seat Locator