Greddy 12020479 Spec LS Intercooler Kit PS13 SR20DET w/ S13 Chassis Out with the old and in with the new, introducing the new Greddy Tube & Fin Spec LS Intercooler Kit. The Spec M is now replaced with the much improved Spec LS such as the new tube & fin design, high flowing core, and lightweight attributes. The Spec LS is a well balanced kit and considered to be a cross of the free flowing Spec V and extreme cooling potential Spec R cores. The new bullet shaped tube & fin design lets air to flow through easier without turbulence allowing better cooling for your radiator. *Hotpipes are sold separately