GSC Power-Division TURBO VQ35HR/DE Beehive Spring set with Ti Retainer (gsc5053) 2501 The IPD Plenum is the

The IPD Plenum is the absolute single best modification that can be installed on these early under powered 996 Carreras and will transform your Porsche driving experience

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this HPS silicone boot kit guarantees a seamless fit

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GSC Power-Division TURBO VQ35HR/DE Beehive Spring set with Ti Retainer (gsc5053) 2501 The IPD Plenum is theThe GSC Power Division Beehive Valve Spring Kit with Ti Retainers for the Nissan VQ35DE includes 24 titanium retainers, 24 beehive valve springs, and 24 valve spring shims. Our beehive spring is made with an ovate wire which utilizes advanced material heat treatment methods for superior load loss capabilites. These springs have the highest level of spring load retention while still maintaining good fatigue throughout the life of the spring. Beehive