Ferrea PAC Alloy Dual Valve Springs for Toyota Supra 2JZ 2JZGE 2JZGTE competition plus Every crankshaft features large radius

Every crankshaft features large radius journals that add rigidity for high horsepower

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Part # GSC 5744

that same 2

BC titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances

Ferrea PAC Alloy Dual Valve Springs for Toyota Supra 2JZ 2JZGE 2JZGTE competition plus Every crankshaft features large radiusFerrea 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